Accumulated Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Beginning Balance	$ (149)	$ (157)	$ (174)	$ (151)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	1	1	2	2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(32)	7	(9)	0
Ending Balance	(181)	(149)	(181)	(149)
Pension
Beginning Balance	(75)	(81)	(76)	(81)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	1	1	2	2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	1	1	2	2
Ending Balance	(74)	(80)	(74)	(80)
Translation Adjustments
Beginning Balance	(73)	(75)	(96)	(68)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(32)	7	(9)	0
Ending Balance	(105)	(68)	(105)	(68)
Other
Beginning Balance	(1)	(2)	(1)	(2)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	0	0	0	0
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Ending Balance	(1)	(2)	(1)	(2)
AOCI Attributable to Parent [Member]
Beginning Balance	(149)	(157)	(174)	(151)
Ending Balance	$ (181)	$ (149)	$ (181)	$ (149)