Equity (Tables)

6 Months Ended

Jun. 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 June 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	$	(439)	$	(728)	$	2	$	(1,165)	$	(1,282)	$	(663)	$	8	$	(1,937)
Other comprehensive income (loss) before reclassifications	66		—		(7)		59		138		—		(2)		136
Amounts reclassified from accumulated other comprehensive loss	—		14		4		18		—		10		(8)		2
Effect of exchange rates	—		(1)		—		(1)		—		—		—		—
Other comprehensive income (loss)	66		13		(3)		76		138		10		(10)		138
Balance as of end of period	$	(373)	$	(715)	$	(1)	$	(1,089)	$	(1,144)	$	(653)	$	(2)	$	(1,799)

	Six Months Ended June 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	142		1		(12)		131		(468)		—		19		(449)
Amounts reclassified from accumulated other comprehensive loss	—		22		13		35		—		19		(18)		1
Effect of exchange rates	—		(1)		—		(1)		—		—		—		—
Other comprehensive income (loss)	142		22		1		165		(468)		19		1		(448)
Balance as of end of period	$	(373)	$	(715)	$	(1)	$	(1,089)	$	(1,144)	$	(653)	$	(2)	$	(1,799)