Summary of Significant Accounting Policies - Recent Accounting Developments (Details) - USD ($) $ in Millions	Dec. 31, 2022	Jan. 01, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance	$ 3,828		$ 3,600	$ 1,680	$ 1,658
Deferred tax liabilities	(1,270)		(1,090)
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance			(43)
Debt discount		$ 57
Deferred tax liabilities		14
Additional Paid-In Capital
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance	8,457		8,531	8,517	8,501
Additional Paid-In Capital | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance		(100)	(100)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance	$ 1,408		464	$ (1,403)	$ (1,616)
Retained Earnings | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adjustment for adoption of new accounting guidance		$ 57	$ 57