v3.20.1
Equity - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax    
Beginning balance $ (8,172) $ (8,446)
Other comprehensive loss (101) (36)
Ending balance (7,415) (7,826)
Accumulated other comprehensive loss    
AOCI Attributable to Parent, Net of Tax    
Beginning balance (3,596) (2,480)
Other comprehensive income (loss) before reclassifications (137) (21)
Net losses (gains) reclassified from accumulated other comprehensive loss 36 (15)
Other comprehensive loss (101) (36)
Ending balance (3,697) (2,516)
Foreign currency translation adjustments    
AOCI Attributable to Parent, Net of Tax    
Beginning balance (928) (830)
Other comprehensive income (loss) before reclassifications (227) (103)
Net losses (gains) reclassified from accumulated other comprehensive loss 0 0
Other comprehensive loss (227) (103)
Ending balance (1,155) (933)
Net investment hedging activities    
AOCI Attributable to Parent, Net of Tax    
Beginning balance 9 (65)
Other comprehensive income (loss) before reclassifications 78 65
Net losses (gains) reclassified from accumulated other comprehensive loss (6) 0
Other comprehensive loss 72 65
Ending balance 81 0
Pension and post-employment benefits    
AOCI Attributable to Parent, Net of Tax    
Beginning balance (2,965) (1,722)
Other comprehensive income (loss) before reclassifications 8 5
Net losses (gains) reclassified from accumulated other comprehensive loss 48 20
Other comprehensive loss 56 25
Ending balance (2,909) (1,697)
Marketable security activities    
AOCI Attributable to Parent, Net of Tax    
Beginning balance   (10)
Other comprehensive income (loss) before reclassifications   7
Net losses (gains) reclassified from accumulated other comprehensive loss   0
Other comprehensive loss   7
Ending balance   (3)
Cash flow hedging activities    
AOCI Attributable to Parent, Net of Tax    
Beginning balance 288 147
Other comprehensive income (loss) before reclassifications 4 5
Net losses (gains) reclassified from accumulated other comprehensive loss (6) (35)
Other comprehensive loss (2) (30)
Ending balance $ 286 $ 117