Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 3)

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details 3) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net periodic pension and other postretirement benefit cost      
Corridor Approach for Amortizing Actuarial Gains and Losses 10.00%    
Pension benefits      
Net periodic pension and other postretirement benefit cost      
Prior Service Credit (Cost), before Tax $ (9) $ (10)  
Net actuarial loss (2,116) (3,002)  
Service cost 97 112 $ 104
Interest cost 183 235 291
Defined Benefit Plan, Expected Return (Loss) on Plan Assets (606) (587) (552)
Amortization of prior service cost (credit) 0 3 (4)
Defined Benefit Plan, Amortization of Gain (Loss) 146 171 151
Net periodic benefit cost (180) (66) (10)
Settlement charge 117 23 6
Curtailment charges (credits) (1) 1 0
Special termination benefits 3 2 1
Defined Benefit Plan, Other Cost (Credit) 0 (4) 1
Total cost recognized in the statement of income (61) (44) (2)
Changes in AOCI for our benefit plans, pretax      
Balance in AOCI at beginning of year (3,012) (2,678)  
Recognized prior service cost (credit) 1 3  
Recognized net actuarial loss (gain) 261 195  
Prior service credit (cost) arising in the current year 0 (3)  
Net actuarial (loss) gain arising in the current year 623 (488)  
Net foreign currency translation adjustments 2 (41)  
Balance in AOCI at end of year $ (2,125) $ (3,012) $ (2,678)
Weighted average assumptions used in computing the benefit obligations      
Discount rate (as a percent) 3.00% 2.50%  
Interest Crediting Rate 3.00% 3.00%  
Rate of increase in compensation levels (as a percent) 3.75% 3.75%  
Weighted-average assumptions used in computing net periodic benefit cost      
Discount rate (as a percent) 2.50% 3.25% 4.00%
Interest Crediting Rate 3.00% 3.50% 3.75%
Rate of increase in compensation levels (as a percent) 3.75% 3.75% 3.75%
Expected Long-term Rate of Return on Plan Assets 7.25% 7.50% 7.75%
Pension benefits | Impact of settlements      
Changes in AOCI for our benefit plans, pretax      
Recognized net actuarial loss (gain) $ 117 $ 23  
Pension benefits | Curtailment charges (credits)      
Changes in AOCI for our benefit plans, pretax      
Net actuarial (loss) gain arising in the current year   (15)  
Other benefits      
Net periodic pension and other postretirement benefit cost      
Prior Service Credit (Cost), before Tax 28 17  
Net actuarial loss (32) (64)  
Service cost 9 11 $ 9
Interest cost 15 21 28
Defined Benefit Plan, Expected Return (Loss) on Plan Assets (17) (16) (13)
Amortization of prior service cost (credit) (2) (3) (2)
Defined Benefit Plan, Amortization of Gain (Loss) 4 5 2
Net periodic benefit cost 9 18 24
Settlement charge 0 0 0
Curtailment charges (credits) (1) 6 (2)
Special termination benefits 0 0 0
Defined Benefit Plan, Other Cost (Credit) 0 0 0
Total cost recognized in the statement of income 8 24 22
Changes in AOCI for our benefit plans, pretax      
Balance in AOCI at beginning of year (47) (59)  
Recognized prior service cost (credit) (2) (3)  
Recognized net actuarial loss (gain) 3 11  
Prior service credit (cost) arising in the current year 13 0  
Net actuarial (loss) gain arising in the current year 27 7  
Net foreign currency translation adjustments 2 (3)  
Balance in AOCI at end of year $ (4) $ (47) $ (59)
Weighted average assumptions used in computing the benefit obligations      
Discount rate (as a percent) 3.25% 2.75%  
Weighted-average assumptions used in computing net periodic benefit cost      
Discount rate (as a percent) 2.75% 3.50% 4.25%
Expected Long-term Rate of Return on Plan Assets 4.25% 4.50% 4.50%
Domestic Plan      
Weighted-average assumptions used in computing net periodic benefit cost      
Rate of increase in compensation levels (as a percent) 7.25%    
The 5-year annualized return on plan assets (as a percent) 10.70%    
The 10-year annualized return on plan assets (as a percent) 9.70%    
The 15-year annualized return on plan assets (as a percent) 6.80%    
Annualized return on plan assets since inception (as a percent) 10.60%