Supplemental Information - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Supplemental Information [Abstract]
Gross trade receivables aged less than one year	$ 4,825		$ 4,667
Gross receivables aged greater than one year	374		354
Other receivables	144		154
Accounts receivable net of reserves	4,871		4,718
Allowances for expected credit losses	472		$ 457
Provisions for expected credit losses	$ 130	$ 123