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Derivative Financial Instruments (Balance Sheet Location of Derivative Instruments) (Details) - Derivatives designated as hedging instruments - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Other non-current accrued liabilities |  |
Derivatives, Fair Value |  |
Liabilities | $ (82) | $ (117)
Other current liabilities |  |
Derivatives, Fair Value |  |
Liabilities | $ (5) | $ 0

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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. + Details
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- Definition Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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- Details
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- Details
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- Details
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