New Accounting Standards - Summary of Company's outstanding obligations (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Accounting Changes and Error Corrections [Abstract]
Confirmed obligations outstanding at beginning of the period	$ 314
Invoices confirmed during the period	335
Confirmed invoices paid during the period	(362)
Confirmed obligations outstanding at end of the period	$ 287