Shareholders' Deficit (Tables)

6 Months Ended

Jun. 30, 2021

Stockholders' Equity Note [Abstract]

Repurchase Of Shares Of Common Stock

	Shares Repurchased (thousands)			Dollar Value of Shares Repurchased
Authorization Date	2021		2020	2021			2020
November 2019	4,746	(a)	—	$	530	(a)	$	—

(a) Includes the effect of $11 million in share repurchases (0.1 million shares) with trade dates on, or prior to, June 30, 2021, but cash settlement dates subsequent to June 30, 2021 and excludes the effect of $11 million in share repurchases (0.1 million shares) with trade dates on, or prior to, December 31, 2020, but cash settlement dates subsequent to December 31, 2020.

In May 2021, our Board of Directors authorized share repurchases from July 1, 2021 through December 31, 2022, of up to $2 billion (excluding applicable transaction fees) of our outstanding Common Stock. Unutilized share repurchase capacity of $1.2 billion under a November 2019 authorization expired on June 30, 2021.

Schedule of Accumulated Other Comprehensive Income (Loss)

Changes in Accumulated other comprehensive loss ("AOCI") are presented below.

	Translation Adjustments and Gains (Losses) From Intra-Entity Transactions of a Long-Term Nature		Pension and Post-Retirement Benefits		Derivative Instruments		Total
Balance at March 31, 2021, net of tax	$	(179)	$	(55)	$	(112)	$	(346)
OCI, net of tax
Gains (losses) arising during the period classified into AOCI, net of tax	14		8		(6)		16
(Gains) losses reclassified from AOCI, net of tax	—		3		3		6
	14		11		(3)		22
Balance at June 30, 2021, net of tax	$	(165)	$	(44)	$	(115)	$	(324)
Balance at December 31, 2020, net of tax	$	(182)	$	(96)	$	(133)	$	(411)
OCI, net of tax
Gains (losses) arising during the period classified into AOCI, net of tax	17		44		12		73
(Gains) losses reclassified from AOCI, net of tax	—		8		6		14
	17		52		18		87
Balance at June 30, 2021, net of tax	$	(165)	$	(44)	$	(115)	$	(324)