Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax	$ 0	$ 0	$ 0	$ 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax	0	0	0	0
Change in derivative fair value, net of income tax benefit (expense) of $2, $(8), $(17), and $139, respectively	2	(8)	(17)	139
Reclassification to earnings, net of income tax expense of $10, $10, $23, and $24, respectively	(10)	(10)	(23)	(24)
Change in pension adjustments due to net actuarial gain (loss) for the period, income tax (expense) benefit	(1)	0	(1)	0
Pension, Reclassifications to Earnings, Net of Income Tax (expense) benefit	1	0	0	(1)
Net income (loss)	485	(481)	379	(249)
Foreign currency translation adjustments, net of $0 income tax for all periods	(58)	30	(89)	(105)
Reclassification to earnings, net of $0 income tax for all periods	0	80	3	78
Total foreign currency translation adjustments	(58)	110	(86)	(27)
Change in derivative fair value, net of income tax benefit (expense) of $2, $(8), $(17), and $139, respectively	(6)	23	62	(471)
Reclassification to earnings, net of income tax expense of $10, $10, $23, and $24, respectively	30	27	79	84
Total change in fair value of derivatives	24	50	141	(387)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	(1)	0	(1)	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	4	1	5	1
Total pension adjustments	3	1	4	1
OTHER COMPREHENSIVE INCOME (LOSS)	(31)	161	59	(413)
COMPREHENSIVE INCOME (LOSS)	454	(320)	438	(662)
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(125)	166	(172)	106
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 329	$ (154)	$ 266	$ (556)