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Fair Value Measurements and Financial Instruments - Schedule of Notional Values (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Fair Value Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | $ 989 | $ 788
Fair Value Hedges | Foreign currency contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 589 | 388
Fair Value Hedges | Foreign Currency Debt |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Fair Value Hedges | Interest rate swap contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 400 | 400
Fair Value Hedges | Forward-starting interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Fair Value Hedges | Commodity contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Cash Flow Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 1,171 | 781
Cash Flow Hedges | Foreign currency contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 854 | 761
Cash Flow Hedges | Foreign Currency Debt |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Cash Flow Hedges | Interest rate swap contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Cash Flow Hedges | Forward-starting interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 300 | 0
Cash Flow Hedges | Commodity contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 17 | 20
Net Investment Hedges |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 5,051 | 4,334
Net Investment Hedges | Foreign currency contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 528 | 478
Net Investment Hedges | Foreign Currency Debt |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 4,523 | 3,856
Net Investment Hedges | Interest rate swap contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Net Investment Hedges | Forward-starting interest rate swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | 0 | 0
Net Investment Hedges | Commodity contracts |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional value of derivative | $ 0 | $ 0

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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