CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Allowance for doubtful accounts	$ 71	$ 78
Shareholders’ Equity
Common stock par value (in USD per share)	$ 1	$ 1
Common stock authorized (in shares)	2,000,000,000	2,000,000,000
Common stock issued (in shares)	1,465,706,360	1,465,706,360

Amount of allowance for credit loss on accounts receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Face amount or stated value per share of common stock.

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