v3.20.2
Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Accumulated Other Comprehensive Income [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Accumulated other comprehensive income, beginning balance     $ 5,470 $ 4,249
Other comprehensive income (loss) before reclassification, net of tax     (4,436) (289)
Amounts reclassifed from accumulated OCI, net of tax     (905) (671)
Net other comprehensive income (loss), net of tax $ 514 $ (1,056) (5,341) (960)
Accumulated other comprehensive income, ending balance 129 3,289 129 3,289
Foreign Currency Translation Adjustment [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Accumulated other comprehensive income, beginning balance     (3,056) (3,084)
Other comprehensive income (loss) before reclassification, net of tax     (1,490) 159
Amounts reclassifed from accumulated OCI, net of tax [1]     0 0
Net other comprehensive income (loss), net of tax     (1,490) 159
Accumulated other comprehensive income, ending balance (4,546) (2,925) (4,546) (2,925)
Net Unrealized Gains (Losses) on Securities [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Accumulated other comprehensive income, beginning balance     48 (2)
Other comprehensive income (loss) before reclassification, net of tax     80 42
Amounts reclassifed from accumulated OCI, net of tax [1]     0 0
Net other comprehensive income (loss), net of tax     80 42
Accumulated other comprehensive income, ending balance 128 40 128 40
Net Unrealized Gains (Losses) on Derivative Instruments [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Accumulated other comprehensive income, beginning balance     (37) 818
Other comprehensive income (loss) before reclassification, net of tax     (3,026) (490)
Amounts reclassifed from accumulated OCI, net of tax [2]     17 17
Net other comprehensive income (loss), net of tax     (3,009) (473)
Accumulated other comprehensive income, ending balance (3,046) 345 (3,046) 345
Defined Benefit Postretirement Plans [Member]        
Accumulated Other Comprehensive Income Loss [Line Items]        
Accumulated other comprehensive income, beginning balance     8,515 6,517
Other comprehensive income (loss) before reclassification, net of tax     0 0
Amounts reclassifed from accumulated OCI, net of tax [3]     (922) (688)
Net other comprehensive income (loss), net of tax     (922) (688)
Accumulated other comprehensive income, ending balance $ 7,593 $ 5,829 $ 7,593 $ 5,829
[1] (Gains) losses are included in "Other income (expense) - net" in the consolidated statements of income.
[2] (Gains) losses are included in "Interest expense" in the consolidated statements of income (see Note 7).
[3]
The amortization of prior service credits associated with postretirement benefits are included in "Other income (expense) - net" in the consolidated statements of income (see Note 6).