(Summary of Operating Loss And Tax Credit Carryforwards) (Details) $ in Millions	Dec. 31, 2022 USD ($)
Operating Loss Carryforwards [Line Items]
Total	$ 743
Less: valuation allowance (a)	(602)	[1]
Total, net	141
2023 Through 2032
Operating Loss Carryforwards [Line Items]
Total	114
Less: valuation allowance (a)	(50)	[1]
Total, net	64
2033 Through 2042
Operating Loss Carryforwards [Line Items]
Total	110
Less: valuation allowance (a)	(89)	[1]
Total, net	21
Indefinite
Operating Loss Carryforwards [Line Items]
Total	519
Less: valuation allowance (a)	(463)	[1]
Total, net	56
U.S. federal and non-U.S. NOLs
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	518
U.S. federal and non-U.S. NOLs | 2023 Through 2032
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	1
U.S. federal and non-U.S. NOLs | 2033 Through 2042
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	95
U.S. federal and non-U.S. NOLs | Indefinite
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	422
State taxing jurisdiction NOLs (a)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	50	[1]
State taxing jurisdiction NOLs (a) | 2023 Through 2032
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	43	[1]
State taxing jurisdiction NOLs (a) | 2033 Through 2042
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	7	[1]
State taxing jurisdiction NOLs (a) | Indefinite
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	0	[1]
U.S. federal, non- U.S. and state tax credit carryforwards (a)
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	175	[1]
U.S. federal, non- U.S. and state tax credit carryforwards (a) | 2023 Through 2032
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	70	[1]
U.S. federal, non- U.S. and state tax credit carryforwards (a) | 2033 Through 2042
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	8	[1]
U.S. federal, non- U.S. and state tax credit carryforwards (a) | Indefinite
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	$ 97	[1]

[1] State amounts are presented net of federal benefit.