Summary of Significant Accounting Policies - EGTS - Schedule of Allowance for Credit Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Write-offs, net	$ (84)	$ (72)	$ (45)
EGTS
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	0	0	3
Write-offs, net	0	0	(3)
Ending balance	$ 0	$ 0	$ 0