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Derivative Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2018
Derivative Instruments And Hedging Activities Disclosure [Abstract] |
Outstanding Foreign Currency Forward Contracts | The Company had the following outstanding foreign currency forward contracts that were entered into to hedge nonfunctional currency cash flows from forecasted revenues and expenses (in millions):
|  | Currency Denomination |
Foreign Currency |  | December 31, 2018 |  |  | December 31, 2017 |
Norwegian Krone |  | NOK |  |  | 4,118 |  |  | NOK |  |  | 4,013 |
Japanese Yen |  | JPY |  |  | 121 |  |  | JPY |  |  | 982 |
U.S. Dollar |  | USD |  |  | 96 |  |  | USD |  |  | 163 |
Euro |  | EUR |  |  | 71 |  |  | EUR |  |  | 120 |
Danish Krone |  | DKK |  |  | 14 |  |  | DKK |  |  | 30 |
British Pound Sterling |  | GBP |  |  | 9 |  |  | GBP |  |  | 11 |
The Company had the following outstanding foreign currency forward contracts that hedge the fair value of nonfunctional currency monetary accounts (in millions):
|  | Currency Denomination |
Foreign Currency |  | December 31, 2018 |  |  | December 31, 2017 |
Norwegian Krone |  | NOK |  |  | 1,111 |  |  | NOK |  |  | 1,734 |
U.S. Dollar |  | USD |  |  | 535 |  |  | USD |  |  | 463 |
Mexican Peso |  | MXN |  |  | 204 |  |  | MXN |  |  | — |
South African Rand |  | ZAR |  |  | 124 |  |  | ZAR |  |  | 150 |
Euro |  | EUR |  |  | 101 |  |  | EUR |  |  | 99 |
Danish Krone |  | DKK |  |  | 21 |  |  | DKK |  |  | 15 |
British Pound Sterling |  | GBP |  |  | 3 |  |  | GBP |  |  | 3 |
Russian Ruble |  | RUB |  |  | — |  |  | RUB |  |  | 2,699 |
Derivative Instruments and their Balance Sheet Classifications | The Company has the following fair values of its derivative instruments and their balance sheet classifications (in millions):
|  | Fair Values of Derivative Instruments (In millions) |  |  |  |  |  |  |  |  |  |  |
|  | Asset Derivatives |  |  | Liability Derivatives |
|  |  |  | Fair Value |  |  |  |  | Fair Value |
|  | Balance Sheet |  | December 31, |  |  | Balance Sheet |  | December 31, |
|  | Location |  | 2018 |  |  | 2017 |  |  | Location |  | 2018 |  |  | 2017 |
Derivatives designated as hedging instruments under ASC Topic 815 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Prepaid and other current assets |  | $ | 2 |  |  | $ | 13 |  |  | Accrued liabilities |  | $ | 17 |  |  | $ | 3 |
Foreign exchange contracts |  | Other Assets |  |  | — |  |  |  | 8 |  |  | Other Liabilities |  |  | 11 |  |  |  | 2 |
Total derivatives designated as hedging instruments under ASC Topic 815 |  |  |  | $ | 2 |  |  | $ | 21 |  |  |  |  | $ | 28 |  |  | $ | 5 |
Derivatives not designated as hedging instruments under ASC Topic 815 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign exchange contracts |  | Prepaid and other current assets |  | $ | 4 |  |  | $ | 10 |  |  | Accrued liabilities |  | $ | 6 |  |  | $ | 5 |
Foreign exchange contracts |  | Other Assets |  |  | — |  |  |  | 2 |  |  | Other Liabilities |  |  | 2 |  |  |  | 1 |
Total derivatives not designated as hedging instruments under ASC Topic 815 |  |  |  | $ | 4 |  |  | $ | 12 |  |  |  |  | $ | 8 |  |  | $ | 6 |
Total derivatives |  |  |  | $ | 6 |  |  | $ | 33 |  |  |  |  | $ | 36 |  |  | $ | 11 |
Effect of Derivative Instruments on Consolidated Statements of Income (Loss) |
The Effect of Derivative Instruments on the Consolidated Statements of Income (Loss) ($ in millions)
|  |  |  |  |  |  |  |  |  |  |  |  |  | Location of Gain (Loss) |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Recognized in Income on |  | Amount of Gain (Loss)
|  |  |  |  |  | Location of Gain (Loss) |  |  |  |  |  | Derivatives (Ineffective |  | Recognized in Income on
|  |  |  |  |  | Reclassified from |  | Amount of Gain (Loss) |  | Portion and Amount |  | Derivatives (Ineffective
Derivatives Designated as |  | Amount of Gain (Loss) |  | Accumulated OCI into |  | Reclassified from |  | Excluded from |  | Portion and Amount
Hedging Instruments under |  | Recognized in OCI on |  | Income |  | Accumulated OCI into |  | Effectiveness |  | Excluded from
ASC Topic 815 |  | Derivatives (Effective Portion) (a) |  | (Effective Portion) |  | Income (Effective Portion) |  | Testing) |  | Effectiveness Testing) (b)
|  | Years Ended December 31, |  |  |  |  |  | Years Ended December 31, |  |  |  | Years Ended December 31,
|  | 2018 |  | 2017 |  |  |  |  |  | 2018 |  | 2017 |  |  |  | 2018 |  | 2017
|  |  |  |  |  | Revenue |  | (2) |  | 8 |  | Cost of revenue |  | 2 |  | 7
Foreign exchange contracts |  | (25) |  | 56 |  | Cost of revenue |  | 4 |  | (19) |  | Other income (expense), net |  | (9) |  | 2
Total |  | (25) |  | 56 |  |  |  |  |  | 2 |  | (11) |  |  |  | (7) |  | 9
Derivatives Not Designated as |  | Location of Gain (Loss) |  | Amount of Gain (Loss)
Hedging Instruments under |  | Recognized in Income |  | Recognized in Income on
ASC Topic 815 |  | on Derivatives |  | Derivatives
|  |  |  |  |  | Years Ended December 31,
|  |  |  |  |  | 2018 |  | 2017
Foreign exchange contracts |  | Other income (expense), net |  | (30) |  | 58
Total |  |  |  |  |  | (30) |  | 58

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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + 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 -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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