Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details)

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Pension benefits      
Changes in benefit obligations      
Benefit obligation at January 1 $ 9,414 $ 8,757  
Service cost 97 112 $ 104
Interest cost 183 235 291
Participant Contributions 5 1  
Foreign currency exchange rate changes (33) 67  
Amendments 0 3  
Actuarial loss (gain) (226) 746  
Benefits Paid (375) (485)  
Settlements (491) (81)  
Curtailments 0 (15)  
Special termination benefits 3 2 1
Other 3 72  
Benefit obligation at December 31 8,580 9,414 8,757
Defined Benefit Plan, Accumulated Benefit Obligation 8,431 9,263  
Fair value of plan assets      
Fair value of plan assets at January 1 8,639 8,080  
Actual return on plan assets 1,003 830  
Employer contributions 33 30  
Contributions by Plan Participant 6 1  
Foreign currency exchange rate changes (42) 97  
Benefits Paid (315) (419)  
Settlements (421) (53)  
Other 2 73  
Fair value of plan assets at December 31 8,905 8,639 8,080
Net liability recognized 325 (775)  
Pension and other benefit amounts recognized in our consolidated balance sheets      
Noncurrent asset 1,545 1,151  
Current liability (70) (116)  
Long-term liability (1,150) (1,810)  
Net liability recognized 325 (775)  
Accumulated benefit obligations in excess of the fair value of plan assets      
Projected Benefit Obligation 6,862 7,722  
Fair Value of Plan Assets 5,641 5,796  
Accumulated Benefit Obligations 6,689 7,553  
Fair value of plan assets 5,584 5,745  
Pension benefits | Cash and cash equivalents      
Fair value of plan assets      
Fair value of plan assets at January 1 678    
Fair value of plan assets at December 31 505 678  
Pension benefits | Equity Securities, US based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 2,139    
Fair value of plan assets at December 31 2,431 2,139  
Pension benefits | Equity Securities, International based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 1,726    
Fair value of plan assets at December 31 1,706 1,726  
Pension benefits | Government bonds      
Fair value of plan assets      
Fair value of plan assets at January 1 637    
Fair value of plan assets at December 31 677 637  
Pension benefits | Corporate bonds and debt securities      
Fair value of plan assets      
Fair value of plan assets at January 1 1,042    
Fair value of plan assets at December 31 1,023 1,042  
Pension benefits | Mutual, pooled and commingled funds      
Fair value of plan assets      
Fair value of plan assets at January 1 814    
Fair value of plan assets at December 31 850 814  
Pension benefits | Hedge funds/limited partnerships      
Fair value of plan assets      
Fair value of plan assets at January 1 622    
Fair value of plan assets at December 31 720 622  
Pension benefits | Real estate      
Fair value of plan assets      
Fair value of plan assets at January 1 332    
Fair value of plan assets at December 31 389 332  
Pension benefits | Defined Benefit Plan, Derivative      
Fair value of plan assets      
Fair value of plan assets at January 1 (15)    
Fair value of plan assets at December 31 (9) (15)  
Pension benefits | Other      
Fair value of plan assets      
Fair value of plan assets at January 1 664    
Fair value of plan assets at December 31 613 664  
Pension benefits | Change in Assumptions for Defined Benefit Plans      
Changes in benefit obligations      
Actuarial loss (gain) 197 491  
Other benefits      
Changes in benefit obligations      
Benefit obligation at January 1 769 757  
Service cost 9 11 9
Interest cost 15 21 28
Participant Contributions 13 12  
Foreign currency exchange rate changes (1) (1)  
Amendments (13) 0  
Actuarial loss (gain) (28) 22  
Benefits Paid (67) (59)  
Settlements 0 0  
Curtailments (1) 6  
Special termination benefits 0 0 0
Other 0 0  
Benefit obligation at December 31 696 769 757
Fair value of plan assets      
Fair value of plan assets at January 1 396 339  
Actual return on plan assets 15 51  
Employer contributions 0 0  
Contributions by Plan Participant 8 7  
Foreign currency exchange rate changes 0 0  
Benefits Paid 0 (1)  
Settlements 0 0  
Other 0 0  
Fair value of plan assets at December 31 419 396 $ 339
Net liability recognized (277) (373)  
Pension and other benefit amounts recognized in our consolidated balance sheets      
Noncurrent asset 0 0  
Current liability (18) (19)  
Long-term liability (259) (354)  
Net liability recognized (277) (373)  
Other benefits | Cash and cash equivalents      
Fair value of plan assets      
Fair value of plan assets at January 1 30    
Fair value of plan assets at December 31 33 30  
Other benefits | Equity Securities, US based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 170    
Fair value of plan assets at December 31 184 170  
Other benefits | Equity Securities, International based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 12    
Fair value of plan assets at December 31 12 12  
Other benefits | Government bonds      
Fair value of plan assets      
Fair value of plan assets at January 1 3    
Fair value of plan assets at December 31 3 3  
Other benefits | Corporate bonds and debt securities      
Fair value of plan assets      
Fair value of plan assets at January 1 80    
Fair value of plan assets at December 31 82 80  
Other benefits | Mutual, pooled and commingled funds      
Fair value of plan assets      
Fair value of plan assets at January 1 86    
Fair value of plan assets at December 31 87 86  
Other benefits | Hedge funds/limited partnerships      
Fair value of plan assets      
Fair value of plan assets at January 1 7    
Fair value of plan assets at December 31 9 7  
Other benefits | Real estate      
Fair value of plan assets      
Fair value of plan assets at January 1 4    
Fair value of plan assets at December 31 5 4  
Other benefits | Other      
Fair value of plan assets      
Fair value of plan assets at January 1 4    
Fair value of plan assets at December 31 $ 4 4  
Domestic Plan      
Defined Benefit Plan Disclosure      
Portion of projected pension benefit obligation represented by the defined benefit plan (as a percent) 61.00%    
Defined Benefit Plan Portion of Projected Pension Plan Assets Percentage 57.00%    
Fair value of plan assets      
Fair value of plan assets at January 1 $ 5,373    
Fair value of plan assets at December 31 5,383 5,373  
Domestic Plan | Cash and cash equivalents      
Fair value of plan assets      
Fair value of plan assets at January 1 279    
Fair value of plan assets at December 31 272 279  
Domestic Plan | Equity Securities, US based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 1,382    
Fair value of plan assets at December 31 1,463 1,382  
Domestic Plan | Equity Securities, International based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 988    
Fair value of plan assets at December 31 876 988  
Domestic Plan | Government bonds      
Fair value of plan assets      
Fair value of plan assets at January 1 220    
Fair value of plan assets at December 31 182 220  
Domestic Plan | Corporate bonds and debt securities      
Fair value of plan assets      
Fair value of plan assets at January 1 926    
Fair value of plan assets at December 31 899 926  
Domestic Plan | Mutual, pooled and commingled funds      
Fair value of plan assets      
Fair value of plan assets at January 1 301    
Fair value of plan assets at December 31 290 301  
Domestic Plan | Hedge funds/limited partnerships      
Fair value of plan assets      
Fair value of plan assets at January 1 588    
Fair value of plan assets at December 31 682 588  
Domestic Plan | Real estate      
Fair value of plan assets      
Fair value of plan assets at January 1 326    
Fair value of plan assets at December 31 381 326  
Domestic Plan | Defined Benefit Plan, Derivative      
Fair value of plan assets      
Fair value of plan assets at January 1 (1)    
Fair value of plan assets at December 31 (1) (1)  
Domestic Plan | Other      
Fair value of plan assets      
Fair value of plan assets at January 1 364    
Fair value of plan assets at December 31 339 364  
Foreign Plan      
Fair value of plan assets      
Fair value of plan assets at January 1 3,266    
Fair value of plan assets at December 31 3,522 3,266  
Foreign Plan | Cash and cash equivalents      
Fair value of plan assets      
Fair value of plan assets at January 1 399    
Fair value of plan assets at December 31 233 399  
Foreign Plan | Equity Securities, US based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 757    
Fair value of plan assets at December 31 968 757  
Foreign Plan | Equity Securities, International based companies      
Fair value of plan assets      
Fair value of plan assets at January 1 738    
Fair value of plan assets at December 31 830 738  
Foreign Plan | Government bonds      
Fair value of plan assets      
Fair value of plan assets at January 1 417    
Fair value of plan assets at December 31 495 417  
Foreign Plan | Corporate bonds and debt securities      
Fair value of plan assets      
Fair value of plan assets at January 1 116    
Fair value of plan assets at December 31 124 116  
Foreign Plan | Mutual, pooled and commingled funds      
Fair value of plan assets      
Fair value of plan assets at January 1 513    
Fair value of plan assets at December 31 560 513  
Foreign Plan | Hedge funds/limited partnerships      
Fair value of plan assets      
Fair value of plan assets at January 1 34    
Fair value of plan assets at December 31 38 34  
Foreign Plan | Real estate      
Fair value of plan assets      
Fair value of plan assets at January 1 6    
Fair value of plan assets at December 31 8 6  
Foreign Plan | Defined Benefit Plan, Derivative      
Fair value of plan assets      
Fair value of plan assets at January 1 (14)    
Fair value of plan assets at December 31 (8) (14)  
Foreign Plan | Other      
Fair value of plan assets      
Fair value of plan assets at January 1 300    
Fair value of plan assets at December 31 $ 274 $ 300