Fair Value Measurements (Narrative) (Details) - Significant Unobservable Inputs (Level 3) [Member] - USD ($) $ in Billions	12 Months Ended
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%

Adjustment to current market value, based on location, that a market participant is willing to pay, used as an input to measure fair value.

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Fair Value Measurements [Line Items]

+ References

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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

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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.

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