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Fair Value Measurements (Narrative) (Details) - Significant Unobservable Inputs (Level 3) [Member] - USD ($) $ in Billions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Fair Value Measurements [Line Items] |  |
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) | $ 2.7 | $ 2.2
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) | $ 2.5 | $ 2.0
Assets [Member] | Weighted Average [Member] | Fair Value, Recurring [Member] | Inventories Component [Member] |  |
Fair Value Measurements [Line Items] |  |
Basis | 19.40% | 28.70%
Liabilities [Member] | Weighted Average [Member] | Fair Value, Recurring [Member] | Inventories Component [Member] |  |
Fair Value Measurements [Line Items] |  |
Basis | 15.20% | 13.10%

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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of unrealized gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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