Debt and Line of Credit - Schedule of Unsecured Debt (Details) - USD ($)	1 Months Ended
	Jan. 31, 2023	Jun. 30, 2023	Dec. 31, 2022	Apr. 15, 2022	Oct. 05, 2021
Debt Instrument [Line Items]
Unsecured debt		$ 4,241,000,000	$ 3,979,400,000
Senior Unsecured Notes - January 2033 Maturity
Debt Instrument [Line Items]
Interest Rate	5.70%
Principal Amount	$ 400,000,000
Unsecured debt		395,500,000
Term	10 years
Net proceeds from offering	$ 395,300,000
Senior Unsecured Notes - April 2032 Maturity
Debt Instrument [Line Items]
Interest Rate				4.20%
Principal Amount				$ 600,000,000.0
Unsecured debt		592,200,000	591,800,000
Senior Unsecured Notes - November 2028 Maturity
Debt Instrument [Line Items]
Interest Rate					2.30%
Principal Amount					$ 450,000,000.0
Unsecured debt		446,500,000	446,200,000
Senior Unsecured Notes - July 2031 Maturity - First Tranche
Debt Instrument [Line Items]
Interest Rate					2.70%
Principal Amount					$ 750,000,000.0
Unsecured debt		742,000,000.0	741,600,000
Senior Unsecured Notes
Debt Instrument [Line Items]
Principal Amount		2,200,000,000
Unsecured debt		$ 2,176,200,000	$ 1,779,600,000