Debt - Credit Facility (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Line of Credit Facility [Line Items]
Credit Facility	$ 0	$ 0
Commercial Paper	0	0
Credit Facility
Line of Credit Facility [Line Items]
Available borrowing capacity	2,250,000,000	2,250,000,000
Commercial Paper	0	0
Letters of Credit Outstanding, Amount	(1,814,000)	(1,914,000)
Amount available under commercial paper program and letters of credit	2,248,186,000	2,248,086,000
Other Letter of Credit
Line of Credit Facility [Line Items]
Letters of Credit Outstanding, Amount	$ (62,816,000)	$ (58,116,000)