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Financial Instruments and Risk Management - Additional Information (Detail) | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2018 USD ($) Customer | Dec. 31, 2017 USD ($) Customer | Dec. 31, 2016 USD ($) | Oct. 10, 2017 USD ($) | Jul. 03, 2017 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2015 | Jul. 03, 2014 USD ($)
Derivative [Line Items] |  |  |  |  |  |  |  |
Maximum percentage for Research and Development and Corporate costs of the total forecasted transactions | 80.00% |  |  |  |  |  |  |
Maximum percentage for manufacturing costs of forecasted transactions | 70.00% |  |  |  |  |  |  |
Maximum percentage for designated hedged item of forecasted transactions | 100.00% |  |  |  |  |  |  |
Hedge exposure to the variability of cash flows for forecasted transactions | 24 months |  |  |  |  |  |  |
Cost of sales | $ (5,803,000,000) | $ (5,075,000,000) | $ (4,514,000,000) |  |  |  |  |
Realized gain (loss) on reduction in operating expenses | 3,000,000 | 14,000,000 | 2,000,000 |  |  |  |  |
Ineffective portion of hedge was recorded on Other income and expenses, net | 0 | 0 | 0 |  |  |  |  |
Deferred losses on derivative instrument, net of tax | $ 39,000,000 |  |  |  |  |  |  |
Period of Accumulated other comprehensive income (loss) | 12 months |  |  |  |  |  |  |
Amount reclassified as Other Income and Expenses, net | $ 0 |  |  |  |  |  |  |
Fair value of liabilities | 34,000,000 | 1,000,000 |  |  |  |  |  |
Fair value of assets | $ 5,000,000 | $ 41,000,000 |  |  |  |  |  |
Maximum outstanding amount per instrument with each Bank , as percentage of total | 20.00% |  |  |  |  |  |  |
Number of customer represented more than 10% of trade accounts receivable | Customer | 0 | 0 |  |  |  |  |  |
Interest rate |  | 1.00% |  |  |  |  |  |
Loss on financial instruments, net | $ (1,000,000) | $ (16,000,000) |  |  |  |  |  |
Impairment charge on investments | $ 0 | $ 0 | 0 |  |  |  |  |
Zero Coupon due 2019 (Tranche A) [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 1.00%
Zero Coupon due 2019 (Tranche A) [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Debt discount rate |  | 0.0209 |  |  |  | 0.0209 | 0.0240 | 0.0240
1.0% due 2021 (Tranche B) [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  | 1.00%
1.0% due 2021 (Tranche B) [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Debt discount rate |  | 0.0247 |  | 0.0247 |  |  | 0.0322 | 0.0322
Zero-coupon, due 2022 (Tranche A) [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Debt discount rate | 0.0270 | 0.0270 |  |  |  |  |  |
0.25%, due 2024 (Tranche B) [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Interest rate | 0.25% |  |  |  |  |  |  |
0.25%, due 2024 (Tranche B) [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Debt discount rate | 0.0328 | 0.0328 |  |  |  |  |  |
Fair Value, Inputs, Level 3 [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair value of liability component |  |  |  |  | $ 1,266,000,000 |  |  | $ 878,000,000
Fair Value, Inputs, Level 3 [Member] | Zero Coupon due 2019 (Tranche A) [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair value of liability component |  | $ 574,000,000 |  |  |  | $ 574,000,000 |  |
Loss on financial instruments, net |  | 5,000,000 |  |  |  |  |  |
Fair Value, Inputs, Level 3 [Member] | 1.0% due 2021 (Tranche B) [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair value of liability component |  | 370,000,000 |  | $ 370,000,000 |  |  |  |
Loss on financial instruments, net |  | $ 11,000,000 |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Major customer percentage of trade accounts receivable | 10.00% | 10.00% |  |  |  |  |  |
Foreign Exchange Contract [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] | Reclassification Out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Cost of sales | $ (4,000,000) | $ (16,000,000) | 7,000,000 |  |  |  |  |
Currency Collars [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair value of net assets (liabilities) | (11,000,000) |  |  |  |  |  |  |
Fair value of liabilities | 11,000,000 |  |  |  |  |  |  |
Foreign Exchange Forward Contracts [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Fair value of liabilities | 23,000,000 |  |  |  |  |  |  |
Fair value of assets | 5,000,000 |  |  |  |  |  |  |
Not Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount of Derivative Instruments | $ 376,000,000 | 644,000,000 | 375,000,000 |  |  |  |  |
Foreign currency forward contracts maturity term | 30 days |  |  |  |  |  |  |
Fair value of liabilities | $ 1,000,000 | 1,000,000 |  |  |  |  |  |
Fair value of assets | $ 3,000,000 | 4,000,000 |  |  |  |  |  |
Not Designated as Hedging Instrument [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Foreign currency forward contracts remaining terms | 2 days |  |  |  |  |  |  |
Not Designated as Hedging Instrument [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Foreign currency forward contracts remaining terms | 115 days |  |  |  |  |  |  |
Designated as Hedging Instrument [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional amount of Derivative Instruments | $ 1,597,000,000 | 1,393,000,000 | $ 1,370,000,000 |  |  |  |  |
Foreign currency forward contracts maturity term | 135 days |  |  |  |  |  |  |
Fair value of liabilities | $ 33,000,000 |  |  |  |  |  |  |
Fair value of assets | $ 2,000,000 | $ 37,000,000 |  |  |  |  |  |
Designated as Hedging Instrument [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Foreign currency forward contracts remaining terms | 3 days |  |  |  |  |  |  |
Designated as Hedging Instrument [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Foreign currency forward contracts remaining terms | 18 months |  |  |  |  |  |  |

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain or loss of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain or loss which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments of the subject investments. Finally, this item would also include aggregate net gain and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically. + References No definition available. + Details
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