Stockholders' Equity - Activity Under the 2022 ATM Program (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Number of Shares
Outstanding, Beginning balance (in shares)		643,000	458,000
Forward Sale Agreements Executed (in shares)			1,208,000
Forward Sales Shares Physically Settled (in shares)	(643,000)		(1,023,000)
Outstanding, Ending balance (in shares)	0	0	643,000
Weighted Average Price per Share
Outstanding, Beginning balance (in dollars per share)		$ 776.23	$ 657.75
Forward Sale Agreements Executed (in dollars per share)			767.12
Forward Sale Shares Physically Settled (in dollars per share)	$ 790.41	790.41	718.59
Outstanding, Ending balance (in dollars per share)	$ 0	$ 0	$ 776.23
Settlement Value
Outstanding	$ 0	$ 0	$ 499	$ 302
Forward Sale Agreements Executed			926
Forward Sale Shares Physically Settled	$ 509		$ 735