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v3.19.1

Financial Instruments - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) interest_rate_swap | Dec. 31, 2018 USD ($)
Derivative [Line Items] |  |
Number of interest rate swaps held (in interest rate swaps) | interest_rate_swap | 19 |
Pretax net unrealized gain on derivatives maturing within next 12 months estimated to be reclassified from AOCI to sales | $ 141,000,000 |
Equity investments without readily determinable fair values | 542,000,000 |
Unrealized losses on investments | 9,000,000 |
Cumulative unrealized gains on investments | 167,000,000 |
Cumulative unrealized losses on investments | 20,000,000 |
Available-for-sale debt securities included in Short-term investments | 691,000,000 |
Available-for-sale debt securities maturing after one year through five years | 5,200,000,000 |
Cash and cash equivalents | 8,076,000,000 | $ 7,965,000,000
Fair value of loans payable and long-term debt, including current portion | 27,100,000,000 | 25,600,000,000
Carrying value of loans payable and long-term debt, including current portion | 25,900,000,000 | 25,100,000,000
Cash collateral received from counterparties | 37,000,000 | 107,000,000
Cash collateral advanced to counterparties | 0 | $ 0
Significant Other Observable Inputs (Level 2) |  |
Derivative [Line Items] |  |
Cash and cash equivalents | 8,100,000,000 |
Cash equivalents | $ 7,300,000,000 |
Derivatives Designated as Hedging Instruments | Maximum |  |
Derivative [Line Items] |  |
Maximum average period of maturities of contracts in years (less than) | 2 years |
Derivatives Not Designated as Hedging Instruments | Maximum |  |
Derivative [Line Items] |  |
Maximum average period of maturities of contracts in years (less than) | 1 year |

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