Equity (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Schedule of changes in accumulated other comprehensive loss

Changes in accumulated other comprehensive loss by component, net of tax, were as follows (in millions):

	Three Months Ended September 30,
	2021								2020
	Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gains (Losses) on Cash Flow Hedges		Total		Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gains (Losses) on Cash Flow Hedges		Total
Balance as of beginning of period	$	(373)	$	(715)	$	(1)	$	(1,089)	$	(1,144)	$	(653)	$	(2)	$	(1,799)
Other comprehensive income (loss) before reclassifications	(255)		—		(8)		(263)		217		—		—		217
Amounts reclassified from accumulated other comprehensive loss	—		10		2		12		—		9		2		11
Effect of exchange rates	—		2		—		2		—		—		—		—
Other comprehensive income (loss)	(255)		12		(6)		(249)		217		9		2		228
Balance as of end of period	$	(628)	$	(703)	$	(7)	$	(1,338)	$	(927)	$	(644)	$	—	$	(1,571)

	Nine Months Ended September 30,
	2021								2020
	Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gains (Losses) on Cash Flow Hedges		Total		Foreign Currency Translation Adjustment		Defined Benefit Plans Items		Gains (Losses) on Cash Flow Hedges		Total
Balance as of beginning of period	$	(515)	$	(737)	$	(2)	$	(1,254)	$	(676)	$	(672)	$	(3)	$	(1,351)
Other comprehensive income (loss) before reclassifications	(113)		1		(20)		(132)		(251)		—		19		(232)
Amounts reclassified from accumulated other comprehensive loss	—		32		15		47		—		28		(16)		12
Effect of exchange rates	—		1		—		1		—		—		—		—
Other comprehensive income (loss)	(113)		34		(5)		(84)		(251)		28		3		(220)
Balance as of end of period	$	(628)	$	(703)	$	(7)	$	(1,338)	$	(927)	$	(644)	$	—	$	(1,571)