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Debt - Schedule of Issuances and Borrowings (Details) - USD ($)				6 Months Ended
	May 08, 2024	Feb. 14, 2024	Jan. 12, 2024	Jun. 30, 2024
Senior Notes
Debt Instrument [Line Items]
Principal Issuances				$ 5,150,000,000
Discounts and Issuance Costs, Net				(38,000,000)
Net Proceeds from Issuance of Long-Term Debt				5,112,000,000
Secured Debt
Debt Instrument [Line Items]
Principal Issuances				500,000,000
Discounts and Issuance Costs, Net				(3,000,000)
Net Proceeds from Issuance of Long-Term Debt				$ 497,000,000
4.850% Senior Notes due 2029 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				4.85%
Principal Issuances			$ 1,000,000,000
Discounts and Issuance Costs, Net			(6,000,000)
Net Proceeds from Issuance of Long-Term Debt			994,000,000
5.150% Senior Notes due 2034 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				5.15%
Principal Issuances			1,250,000,000
Discounts and Issuance Costs, Net			(11,000,000)
Net Proceeds from Issuance of Long-Term Debt			1,239,000,000
5.500% Senior Notes due 2055 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				5.50%
Principal Issuances			750,000,000
Discounts and Issuance Costs, Net			(7,000,000)
Net Proceeds from Issuance of Long-Term Debt			$ 743,000,000
3.550% Senior Notes due 2029 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				3.55%
Principal Issuances	$ 645,000,000
Discounts and Issuance Costs, Net	(3,000,000)
Net Proceeds from Issuance of Long-Term Debt	642,000,000
3.700% Senior Notes due 2032 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				3.70%
Principal Issuances	806,000,000
Discounts and Issuance Costs, Net	(4,000,000)
Net Proceeds from Issuance of Long-Term Debt	802,000,000
3.850% Senior Notes due 2036 \| Senior Notes
Debt Instrument [Line Items]
Interest rate, stated percentage				3.85%
Principal Issuances	699,000,000
Discounts and Issuance Costs, Net	(7,000,000)
Net Proceeds from Issuance of Long-Term Debt	$ 692,000,000
5.050% Class A Senior ABS Notes due 2029 \| 2025
Debt Instrument [Line Items]
Interest rate, stated percentage				5.05%
Principal Issuances		$ 500,000,000
Discounts and Issuance Costs, Net		(3,000,000)
Net Proceeds from Issuance of Long-Term Debt		$ 497,000,000