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Derivatives and Hedging (Tables) | 6 Months Ended
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Jun. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Notional and fair values of derivative instruments | The notional and fair values of derivative instruments are as follows (in millions):
| Notional Amount |  | Net Amount of Derivative Assets Presented in the Statements of Financial Position (1) |  | Net Amount of Derivative Liabilities Presented in the Statements of Financial Position (2)
| June 30, 2018 |  | December 31, 2017 |  | June 30, 2018 |  | December 31, 2017 |  | June 30, 2018 |  | December 31, 2017
Foreign exchange contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounted for as hedges | $ | 668 |  |  | $ | 701 |  |  | $ | 21 |  |  | $ | 31 |  |  | $ | 2 |  |  | $ | 3 |
Not accounted for as hedges (3) | 315 |  |  | 254 |  |  | — |  |  | 1 |  |  | 3 |  |  | 3 |
Total | $ | 983 |  |  | $ | 955 |  |  | $ | 21 |  |  | $ | 32 |  |  | $ | 5 |  |  | $ | 6 |
(1) | Included within Other current assets ($4 million at June 30, 2018 and $9 million at December 31, 2017) or Other non-current assets ($17 million at June 30, 2018 and $23 million at December 31, 2017).
(2) | Included within Other current liabilities ($1 million at June 30, 2018 and $3 million at December 31, 2017) or Other non-current liabilities ($4 million at June 30, 2018 and $3 million at December 31, 2017).
(3) | These contracts typically are for 30 day durations and executed close to the last day of the most recent reporting month, thereby resulting in nominal fair values at the balance sheet date.
Derivative gains (losses) | The amounts of derivative gains (losses) recognized in the Financial Statements are as follows (in millions):
|  | Three Months Ended |  | Six Months Ended
|  | June 30, 2018 |  | June 30, 2017 |  | June 30, 2018 |  | June 30, 2017
Gain (Loss) Recognized in Accumulated Other Comprehensive Loss |  | $ | (25 | ) |  | $ | 1 |  |  | $ | (11 | ) |  | $ | 7 |
Location of future reclassification from Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |
Compensation and benefits |  | $ | (4 | ) |  | $ | 1 |  |  | $ | (4 | ) |  | $ | 9 |
Other general expenses |  | $ | (1 | ) |  | $ | 1 |  |  | $ | 3 |  |  | $ | 2 |
Other income (expense) |  | $ | (20 | ) |  | $ | (1 | ) |  | $ | (10 | ) |  | $ | (4 | )
The amounts of derivative gains (loss) reclassified from Accumulated other comprehensive loss into the Condensed Consolidated Statements of Income (effective portion) are as follows (in millions):
|  | Three Months Ended |  | Six Months Ended
|  | June 30, 2018 |  | June 30, 2017 |  | June 30, 2018 |  | June 30, 2017
Compensation and benefits |  | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 13 |
Other general expenses |  | (1 | ) |  | (1 | ) |  | (2 | ) |  | (2 | )
Interest expense |  | — |  |  | (1 | ) |  | (1 | ) |  | (1 | )
Other income (expense) |  | (1 | ) |  | (2 | ) |  | (4 | ) |  | (4 | )
Total |  | $ | (2 | ) |  | $ | (4 | ) |  | $ | (6 | ) |  | $ | 6 |

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- Definition Tabular disclosure of the notional amounts and fair values of outstanding derivative positions. + References No definition available. + Details
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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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