Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Pretax Amounts Recognized in OCI (Details)

v3.22.4
Employee Benefit Plans - Pretax Amounts Recognized in OCI (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax [Abstract]    
Current year actuarial loss (gain) $ 1,090 $ (468)
Amortization of actuarial gain (loss) and prior service cost (199) (295)
Current year prior service cost (credit) 3 0
Amounts recognized in OCI 894 (763)
U.S. | Postretirement Health and Life Plans    
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax [Abstract]    
Current year actuarial loss (gain) (198) (41)
Amortization of actuarial gain (loss) and prior service cost 9 (20)
Current year prior service cost (credit) 0 0
Amounts recognized in OCI (189) (61)
Non-U.S. | Pension Plan    
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax [Abstract]    
Current year actuarial loss (gain) (107) (154)
Amortization of actuarial gain (loss) and prior service cost (14) (19)
Current year prior service cost (credit) 3 0
Amounts recognized in OCI (118) (173)
Qualified | U.S. | Pension Plan    
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax [Abstract]    
Current year actuarial loss (gain) 1,490 (294)
Amortization of actuarial gain (loss) and prior service cost (140) (193)
Current year prior service cost (credit) 0 0
Amounts recognized in OCI 1,350 (487)
Nonqualified | U.S. | Other Pension Plan    
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax [Abstract]    
Current year actuarial loss (gain) (95) 21
Amortization of actuarial gain (loss) and prior service cost (54) (63)
Current year prior service cost (credit) 0 0
Amounts recognized in OCI $ (149) $ (42)