Short and Long-Term Debt Exchangeable Senior Notes (Details)		7 Months Ended	12 Months Ended
	Jun. 02, 2021 USD ($) d $ / shares shares	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)		Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jan. 01, 2022 USD ($)
Exchangeable Senior Notes [Line Items]
Long-term Debt, Gross			$ 2,875,000,000
Debt Instrument, Convertible, Carrying Amount of Equity Component	$ 53,000,000
Amortization of deferred financing costs and debt discount (premium)			9,000,000		$ 18,000,000	$ 11,000,000
Long-term debt		$ 2,940,000,000	2,483,000,000		2,940,000,000		$ 3,005,000,000
Additional paid-in capital		4,947,000,000	4,805,000,000		4,947,000,000		4,894,000,000
Deferred income taxes		353,000,000	239,000,000		353,000,000		336,000,000
Accumulated deficit		(2,712,000,000)	(2,994,000,000)		(2,712,000,000)		(2,707,000,000)
Payments for purchase of Exchangeable Senior Notes hedge transactions	$ 67,000,000		0		67,000,000	0
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 30.6075
Proceeds from issuance of Exchangeable Senior Notes warrant transactions	$ 46,000,000		0		46,000,000	$ 0
Deferred Tax Liabilities, Net		353,000,000	239,000,000		353,000,000
Accounting Standards Update 2020-06
Exchangeable Senior Notes [Line Items]
Long-term debt							65,000,000
Additional paid-in capital							(53,000,000)
Deferred income taxes							(17,000,000)
Accumulated deficit							$ 5,000,000
0.25% Exchangeable Senior Notes | Convertible Debt
Exchangeable Senior Notes [Line Items]
Long-term Debt, Gross	$ 403,000,000	403,000,000	$ 403,000,000	[1]	403,000,000
Interest Rate			0.25%
Debt Instrument, Convertible, Conversion Ratio	40.8397
Debt Instrument Convertible Principal Amount	$ 1,000
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 24.49
Potential Conversion Shares Of Convertible Debt | shares	23,013,139
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger	130.00%
Debt Instrument, Convertible, Threshold Trading Days | d	20
Debt Instrument, Convertible, Threshold Consecutive Trading Days | d	30
Long-term Debt	$ 319,000,000	328,000,000	$ 394,000,000	[1]	$ 328,000,000
Debt Instrument, Interest Rate, Effective Percentage	4.375%
Amortization of deferred financing costs and debt discount (premium)		$ 8,000,000
Deferred Tax Liabilities, Net	$ 20,000,000
Deferred Tax Assets, Net	$ 18,000,000
0.25% Exchangeable Senior Notes | Convertible Debt | Maximum
Exchangeable Senior Notes [Line Items]
Debt Instrument, Convertible, Conversion Ratio	57.1755

[1] See below under the header "Exchangeable Senior Notes" for additional information and Note 2, "Summary of Significant Accounting Policies—Recently Adopted Accounting Pronouncements", related to the January 1, 2022 adoption of the new standard on "Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity".