Stockholders' Equity - Activity Under the 2022 ATM Program (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Mar. 31, 2024
Number of Shares
Outstanding, Beginning balance (in shares)	458
Forward Sale Agreements Executed (in shares)	1,208
Forward Sales Shares Physically Settled (in shares)	1,023
Outstanding, Ending balance (in shares)	643
Weighted Average Price per Share
Outstanding, Beginning balance (in dollars per share)	$ 657.75
Forward Sale Agreements Executed (in dollars per share)	767.12
Forward Sale Shares Physically Settled (in dollars per share)	718.59
Outstanding, Ending balance (in dollars per share)	$ 776.23
Settlement Value
Outstanding, Beginning balance (in dollars)	$ 302
Forward Sale Agreements Executed (in dollars)	926
Forward Sale Shares Physically Settled (in dollars)	735
Outstanding, Ending balance (in dollars)	$ 499
Number of outstanding agreements (in shares)		1,287