Accounting Pronouncements (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Accounting Pronouncements
Obligations outstanding at the beginning of period	$ 703
Invoices confirmed during the period	1,600
Confirmed invoices paid during the period	(1,851)
Foreign exchange impacts	(29)
Obligations outstanding at the end of period	$ 423