Borrowings - Narrative (Details)						1 Months Ended
	Dec. 22, 2028 USD ($)	Oct. 31, 2027 USD ($)	Jan. 24, 2024	Jul. 26, 2021 USD ($)	Sep. 02, 2020 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 22, 2023 USD ($)
Debt Instrument [Line Items]
Proceeds from revolving credit facility						$ 1,000,000,000
Long-term debt, carrying value							$ 6,139,376,000	$ 6,135,285,000
The Notes | Unsecured Debt
Debt Instrument [Line Items]
Unamortized discount and loan issuance costs on long-term debt							160,600,000
The Notes | Unsecured Debt | Level 2
Debt Instrument [Line Items]
Fair value of outstanding notes							5,100,000,000	5,100,000,000
2021 Notes | Unsecured Debt
Debt Instrument [Line Items]
Debt issued, amount				$ 1,300,000,000
Unamortized discount and loan issuance costs on long-term debt				176,400,000
Debt issuances costs capitalized				$ 52,700,000
Weighted average coupon rate (as percent)				2.80%
Weighted average effective interest rate (as percent)				3.06%
2021 Notes | Unsecured Debt | Prior to the applicable par call date
Debt Instrument [Line Items]
Redemption price (as percent)				100.00%
2021 Notes | Unsecured Debt | Upon occurrence of a change of control triggering event
Debt Instrument [Line Items]
Redemption price (as percent)				101.00%
2020 Notes | Unsecured Debt
Debt Instrument [Line Items]
Debt issued, amount					$ 6,000,000,000
Unamortized discount and loan issuance costs on long-term debt					176,400,000
Debt issuances costs capitalized					$ 52,700,000
Weighted average coupon rate (as percent)					2.13%
Weighted average effective interest rate (as percent)					2.50%
2020 Notes | Unsecured Debt | Prior to the applicable par call date
Debt Instrument [Line Items]
Redemption price (as percent)					100.00%
2020 Notes | Unsecured Debt | Upon occurrence of a change of control triggering event
Debt Instrument [Line Items]
Redemption price (as percent)					101.00%
Senior Unsecured Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit, maximum borrowing capacity									$ 1,800,000,000
Long-term debt, carrying value							$ 0	$ 0
Maximum consolidated leverage ratio			4.00
Maximum consolidated leverage ratio following qualifying material acquisition			4.50
Minimum consolidated coverage ratio			2.50
Maximum consolidated cash flow ratio			5.00
Maximum consolidated cash flow ratio, following qualifying material acquisition			5.50
Senior Unsecured Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility | Overnight Bank Funding Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			0.50%
Senior Unsecured Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility | Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			0.50%
Senior Unsecured Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			1.00%
Senior Unsecured Revolving Credit Facility | Unsecured Debt | Revolving Credit Facility | Forecast
Debt Instrument [Line Items]
Maturities of revolving commitments	$ 1,690,000,000	$ 110,000,000