Financial Instruments - Credit Losses (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Receivables [Abstract]
Allowance for credit loss	$ 951	$ 1,000
Trade receivable	16,700
Non-trade receivable	4,400
Investments and Advances
Related Party Transaction [Line Items]
Allowance for credit loss	$ 560	$ 560

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 9
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522

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Balance Type:	debit
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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable, classified as current.

+ References

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

+ References

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- References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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