Financing Activities - Schedule of Debt Extinguishment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	May 01, 2020
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 0	$ 72
Convertible Debt And Unsecured Debt
Debt Instrument [Line Items]
Cash paid for debt and interest		264
Principal repayment		194
Loss on extinguishment of debt		72
Non-cash amortization of debt discount and (issuance) costs		(3)
Hedged items		1
Convertible Debt
Debt Instrument [Line Items]
Stated interest rate			1.25%
Hedged items	$ 8	9
1.25% Convertible Notes due 2025 | Convertible Debt
Debt Instrument [Line Items]
Stated interest rate	1.25%
Cash paid for debt and interest		230
Principal repayment		164
Loss on extinguishment of debt		69
Non-cash amortization of debt discount and (issuance) costs		(3)
Hedged items		0
5.125% Notes due 2027 | Unsecured Debt
Debt Instrument [Line Items]
Stated interest rate	5.125%
Cash paid for debt and interest		34
Principal repayment		30
Loss on extinguishment of debt		3
Non-cash amortization of debt discount and (issuance) costs		0
Hedged items		$ 1