Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details)

v3.20.4
FAIR VALUE MEASUREMENTS (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI $ 2,219,000,000   $ 2,374,000,000
Debt Securities 3,328,000,000   2,303,000,000
Derivatives 196,000,000   229,000,000
Total assets 5,743,000,000   4,906,000,000
Contingent Consideration Liability     321,000,000
Derivatives 32,000,000   10,000,000
Total liabilities 32,000,000   331,000,000
Equity Method Investment, Other than Temporary Impairment 710,000,000 $ 591,000,000  
Derivative Assets      
Derivative, Collateral, Obligation to Return Cash 261,000,000   546,000,000
Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 1,877,000,000   2,049,000,000
Debt Securities 0   4,000,000
Derivatives 9,000,000   63,000,000
Total assets 1,886,000,000   2,116,000,000
Contingent Consideration Liability     0
Derivatives 0   0
Total liabilities 0   0
Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 219,000,000   210,000,000
Debt Securities 3,291,000,000   2,267,000,000
Derivatives 579,000,000   835,000,000
Total assets 4,089,000,000   3,312,000,000
Contingent Consideration Liability     0
Derivatives 162,000,000   91,000,000
Total liabilities 162,000,000   91,000,000
Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 14,000,000   12,000,000
Debt Securities 37,000,000   32,000,000
Derivatives 0   0
Total assets 51,000,000   44,000,000
Contingent Consideration Liability     321,000,000
Derivatives 0   0
Total liabilities 0   321,000,000
Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 109,000,000   103,000,000
Debt Securities 0   0
Derivatives 0   0
Total assets 109,000,000   103,000,000
Contingent Consideration Liability     0
Derivatives 0   0
Total liabilities 0   0
Other assets      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 1,118,000,000   1,282,000,000
Derivatives 196,000,000   229,000,000
Other liabilities      
Assets and liabilities measured at fair value on a recurring basis      
Derivatives 32,000,000   1,000,000
Netting Adjustment      
Assets and liabilities measured at fair value on a recurring basis      
Equity Securities, FV-NI 0   0
Debt Securities 0   0
Derivatives (392,000,000)   (669,000,000)
Total assets (392,000,000)   (669,000,000)
Contingent Consideration Liability     0
Derivatives (130,000,000)   (81,000,000)
Total liabilities (130,000,000)   (81,000,000)
Pension benefits      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 8,080,000,000 7,429,000,000 8,639,000,000
Pension benefits | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 3,867,000,000   4,419,000,000
Pension benefits | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,902,000,000   2,065,000,000
Pension benefits | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 334,000,000 303,000,000 337,000,000
Pension benefits | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,977,000,000   1,818,000,000
Pension benefits | Cash and cash equivalents      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 741,000,000   678,000,000
Pension benefits | Cash and cash equivalents | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 597,000,000   558,000,000
Pension benefits | Cash and cash equivalents | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 144,000,000   120,000,000
Pension benefits | Cash and cash equivalents | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Cash and cash equivalents | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Equity Securities, US based companies      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,904,000,000   2,139,000,000
Pension benefits | Equity Securities, US based companies | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,876,000,000   2,123,000,000
Pension benefits | Equity Securities, US based companies | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 7,000,000   12,000,000
Pension benefits | Equity Securities, US based companies | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 21,000,000   4,000,000
Pension benefits | Equity Securities, US based companies | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Equity Securities, International based companies      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,387,000,000   1,726,000,000
Pension benefits | Equity Securities, International based companies | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,354,000,000   1,694,000,000
Pension benefits | Equity Securities, International based companies | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 33,000,000   32,000,000
Pension benefits | Equity Securities, International based companies | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Equity Securities, International based companies | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Government bonds      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 536,000,000   637,000,000
Pension benefits | Government bonds | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Government bonds | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 536,000,000   637,000,000
Pension benefits | Government bonds | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Government bonds | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Corporate bonds and debt securities      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 964,000,000   1,042,000,000
Pension benefits | Corporate bonds and debt securities | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Corporate bonds and debt securities | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 924,000,000   1,011,000,000
Pension benefits | Corporate bonds and debt securities | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 40,000,000   31,000,000
Pension benefits | Corporate bonds and debt securities | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Mutual, pooled and commingled funds      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 898,000,000   814,000,000
Pension benefits | Mutual, pooled and commingled funds | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 40,000,000   44,000,000
Pension benefits | Mutual, pooled and commingled funds | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 258,000,000   268,000,000
Pension benefits | Mutual, pooled and commingled funds | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Mutual, pooled and commingled funds | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 600,000,000   502,000,000
Pension benefits | Hedge funds/limited partnerships      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 689,000,000   622,000,000
Pension benefits | Hedge funds/limited partnerships | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Hedge funds/limited partnerships | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Hedge funds/limited partnerships | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Hedge funds/limited partnerships | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 689,000,000   622,000,000
Pension benefits | Real estate      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 342,000,000   332,000,000
Pension benefits | Real estate | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Real estate | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Real estate | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Real estate | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 342,000,000   332,000,000
Pension benefits | Other      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 619,000,000   664,000,000
Pension benefits | Other | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Other | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Other | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 273,000,000 270,000,000 302,000,000
Pension benefits | Other | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 346,000,000   362,000,000
Pension benefits | Defined Benefit Plan, Derivative      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   (15,000,000)
Pension benefits | Defined Benefit Plan, Derivative | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Defined Benefit Plan, Derivative | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   (15,000,000)
Pension benefits | Defined Benefit Plan, Derivative | Level 3      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Pension benefits | Defined Benefit Plan, Derivative | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 339,000,000 $ 289,000,000 396,000,000
Other benefits | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 189,000,000   210,000,000
Other benefits | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 53,000,000   169,000,000
Other benefits | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 97,000,000   17,000,000
Other benefits | Cash and cash equivalents      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 57,000,000   30,000,000
Other benefits | Cash and cash equivalents | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 56,000,000   29,000,000
Other benefits | Cash and cash equivalents | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 1,000,000   1,000,000
Other benefits | Cash and cash equivalents | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Equity Securities, US based companies      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 124,000,000   170,000,000
Other benefits | Equity Securities, US based companies | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 124,000,000   169,000,000
Other benefits | Equity Securities, US based companies | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   1,000,000
Other benefits | Equity Securities, US based companies | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Equity Securities, International based companies      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 9,000,000   12,000,000
Other benefits | Equity Securities, International based companies | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 9,000,000   12,000,000
Other benefits | Equity Securities, International based companies | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Equity Securities, International based companies | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Government bonds      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 3,000,000   3,000,000
Other benefits | Government bonds | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Government bonds | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 3,000,000   3,000,000
Other benefits | Government bonds | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Corporate bonds and debt securities      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 47,000,000   80,000,000
Other benefits | Corporate bonds and debt securities | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Corporate bonds and debt securities | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 47,000,000   80,000,000
Other benefits | Corporate bonds and debt securities | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Mutual, pooled and commingled funds      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 84,000,000   86,000,000
Other benefits | Mutual, pooled and commingled funds | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Mutual, pooled and commingled funds | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 2,000,000   84,000,000
Other benefits | Mutual, pooled and commingled funds | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 82,000,000   2,000,000
Other benefits | Hedge funds/limited partnerships      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 7,000,000   7,000,000
Other benefits | Hedge funds/limited partnerships | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Hedge funds/limited partnerships | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Hedge funds/limited partnerships | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 7,000,000   7,000,000
Other benefits | Real estate      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 4,000,000   4,000,000
Other benefits | Real estate | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Real estate | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Real estate | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 4,000,000   4,000,000
Other benefits | Other      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 4,000,000   4,000,000
Other benefits | Other | Level 1      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Other | Level 2      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount 0   0
Other benefits | Other | Fair Value Measured at Net Asset Value Per Share      
Assets and liabilities measured at fair value on a recurring basis      
Defined Benefit Plan, Plan Assets, Amount $ 4,000,000   $ 4,000,000