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Fair Value Measurements and Financial Instruments - Carrying Value and Estimated Fair Value of Long-term Debt (Details) - Long-term Debt - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Debt Instrument [Line Items] |  |
Carrying amount of hedged item | $ 405 | $ 413
Cumulative hedging adjustment included in the carrying amount | $ 5 | $ 14

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- Definition Amount of liability hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959 + Details
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- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959 + Details
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