XML 107 R81.htm IDEA: XBRL DOCUMENT v3.20.4
Post-Employment Benefits - Benefit Obligation (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Plan assets at fair value:      
Plan assets at fair value, balance at the beginning of the year $ 10,637    
Plan assets at fair value, balance at the end of the year 12,371 $ 10,637  
Projected benefit obligations greater than plan assets      
Projected benefit obligations greater than plan assets, December 31 (2,773) (2,266)  
Long-term liabilities (3,119) (2,817)  
Benefit obligations      
Accumulated benefit obligations 11,900 10,200  
Accumulated benefit obligations, the projected benefit obligations and the aggregate plan assets      
Projected benefit obligation 8,946 7,585  
Fair value of plan assets 7,010 5,936  
Accumulated benefit obligation 2,459 1,985  
Projected benefit obligation 2,773 2,266  
Fair value of plan assets 965 821  
Defined Benefit Plans      
Projected benefit obligations:      
Projected benefit obligations, balance at the beginning of the year 11,238 9,093  
Service cost - benefits earned during the year 336 250 $ 293
Interest cost on projected benefit obligations 300 337 308
(Gains) losses, primarily changes in discount rates, plan design changes, law changes and differences between actual and estimated health care costs 1,305 1,856  
Benefits paid (327) (302)  
Other, including foreign currency translation 277 4  
Projected benefit obligations, balance at the end of the year 13,129 11,238 9,093
Plan assets at fair value:      
Plan assets at fair value, balance at the beginning of the year 10,277 8,553  
Actual return (loss) on plan assets 1,463 1,622  
Company contributions 400 382  
Benefits paid (327) (302)  
Other, including foreign currency translation 205 22  
Plan assets at fair value, balance at the end of the year 12,018 10,277 8,553
Projected benefit obligations greater than plan assets      
Projected benefit obligations greater than plan assets, December 31 (1,111) (961)  
Long-term assets 824 687  
Short-term liabilities (29) (26)  
Long-term liabilities (1,906) (1,622)  
Defined Benefit Plan, Amounts Recognized in Balance Sheet (1,111) (961)  
Amounts Recognized in Accumulated Other Comprehensive Income (loss):      
Actuarial losses, net 4,559 4,131  
Prior service cost (credits) (5) (2)  
Total 4,554 4,129  
Accumulated benefit obligations, the projected benefit obligations and the aggregate plan assets      
Projected benefit obligation 1,111 961  
Defined Benefit Plans | Non-US      
Benefit obligations      
Projected benefit obligations 4,100 3,300  
Medical and Dental Plans      
Projected benefit obligations:      
Projected benefit obligations, balance at the beginning of the year 1,556 1,292  
Service cost - benefits earned during the year 46 23 26
Interest cost on projected benefit obligations 42 52 48
(Gains) losses, primarily changes in discount rates, plan design changes, law changes and differences between actual and estimated health care costs (5) 228  
Benefits paid (73) (76)  
Other, including foreign currency translation 1 37  
Projected benefit obligations, balance at the end of the year 1,567 1,556 1,292
Plan assets at fair value:      
Plan assets at fair value, balance at the beginning of the year 360 351  
Actual return (loss) on plan assets 46 65  
Company contributions 12 12  
Benefits paid (65) (68)  
Plan assets at fair value, balance at the end of the year 353 360 $ 351
Projected benefit obligations greater than plan assets      
Projected benefit obligations greater than plan assets, December 31 (1,214) (1,196)  
Short-term liabilities (1) (1)  
Long-term liabilities (1,213) (1,195)  
Defined Benefit Plan, Amounts Recognized in Balance Sheet (1,214) (1,196)  
Amounts Recognized in Accumulated Other Comprehensive Income (loss):      
Actuarial losses, net 486 529  
Prior service cost (credits) (67) (95)  
Total 419 434  
Accumulated benefit obligations, the projected benefit obligations and the aggregate plan assets      
Projected benefit obligation $ 1,214 $ 1,196