Supplemental Information - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Supplemental Information [Abstract]
Gross receivables aged less than one year	$ 4,691		$ 4,498
Gross receivables aged greater than one year	333		321
Other receivables	155		145
Accounts receivable - net	4,753		4,559
Allowances for expected credit losses	426		$ 405
Provisions for expected credit losses	$ 53	$ 35

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent.

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