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Financial Instruments - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Pre-tax (losses) gains related to interest rate swaps |  |  |  |  |  |  |  |  | $ (103) | $ (111) | $ 10 |
Loss on equity method investment transaction | $ (452) | $ (345) | $ (121) | $ (71) | $ 0 | $ 0 | $ 25 | $ (23) | (989) | 2 | (778) |
JDE/Keurig |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on equity method investment transaction |  |  |  |  |  |  | $ 12 |  |  | 29 |  | $ (43)
Net investment hedge contracts |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | 4,551 |  |  |  | 6,864 |  |  |  | 4,551 | 6,864 |  |
Interest rate contracts |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | 3,500 |  |  |  | $ 5,250 |  |  |  | 3,500 | 5,250 |  |
Cash Flow Hedges | Net investment hedge contracts |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
After-tax losses related to interest rate swaps |  |  |  |  |  |  |  |  | 79 |  |  |
Pre-tax (losses) gains related to interest rate swaps |  |  |  |  |  |  |  |  | (103) | $ (111) | $ 10 |
Cash Flow Hedges | Interest rate contracts |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Expected losses for interest rate cash flow hedges expected to be transferred to earnings during the next 12 months |  |  |  |  |  |  |  |  | $ 179 |  |  |
Hedged forecasted transaction period |  |  |  |  |  |  |  |  | 3 years 9 months 18 days |  |  |
Net Investment Hedging | Net investment hedge contracts |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | $ 4,600 |  |  |  |  |  |  |  | $ 4,600 |  |  |

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- Definition Gain (Loss) from Components Excluded from Assessment of Cash Flow Hedge Effectiveness, Net, After Tax + References No definition available. + Details
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