Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Loss) (Details)

v3.20.2
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Balance as of beginning of period, value $ 1,112 $ 1,212 $ 1,364 $ 1,418 $ 1,212 $ 1,418
Balance as of beginning of period (66) (27) (15) (8) (27) (8)
Period change 1 (3) 1 1    
Period change (2) (36) (16) (8) (38) (24)
Period change (1) (39) (15) (7) (40) (22)
Balance as of end of period (67) (66) (30) (15) (67) (30)
Balance as of end of period, value 933 1,112 1,300 1,364 933 1,300
Cash Flow Hedges            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Balance as of beginning of period, value (62) (26) (12) (4) (26) (4)
Balance as of end of period, value (64) (62) (28) (12) (64) (28)
Foreign Currency Translation Adjustments            
Accumulated Other Comprehensive Income (Loss) [Line Items]            
Balance as of beginning of period, value (4) (1) (3) (4) (1) (4)
Balance as of end of period, value $ (3) $ (4) $ (2) $ (3) $ (3) $ (2)