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Derivatives and Hedging (Tables) | 12 Months Ended
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Dec. 31, 2017
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)
As of December 31 | 2017 |  | 2016 |  | 2017 |  | 2016 |  | 2017 |  | 2016
Foreign exchange contracts: |  |  |  |  |  |  |  |  |  |  |
Accounted for as hedges | $ | 701 |  |  | $ | 758 |  |  | $ | 31 |  |  | $ | 13 |  |  | $ | 3 |  |  | $ | 12 |
Not accounted for as hedges (3) | 254 |  |  | 189 |  |  | 1 |  |  | 1 |  |  | 3 |  |  | 1 |
Total | $ | 955 |  |  | $ | 947 |  |  | $ | 32 |  |  | $ | 14 |  |  | $ | 6 |  |  | $ | 13 |
(1) | Included within Other current assets ($9 million in 2017 and $5 million in 2016) or Other non-current assets ($23 million in 2017 and $9 million in 2016).
(2) | Included within Other current liabilities ($3 million in 2017 and $6 million in 2016) or Other non-current liabilities ($3 million in 2017 and $7 million in 2016).
(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 Consolidated Financial Statements are as follows (in millions):
|  | 2017 |  | 2016 |  | 2015
Gain (Loss) Recognized in Accumulated Other Comprehensive Loss |  | $ | 18 |  |  | $ | (25 | ) |  | $ | (9 | )
Location of future reclassification from Accumulated Other Comprehensive Loss |  |  |  |  |  |
Compensation and Benefits |  | $ | 12 |  |  | $ | 8 |  |  | $ | 4 |
Other General Expenses |  | 4 |  |  | (13 | ) |  | (3 | )
Interest Expense |  | — |  |  | — |  |  | — |
Other Income (Expense) |  | 2 |  |  | (20 | ) |  | (10 | )
The amounts of derivative gains (loss) reclassified from Accumulated Other Comprehensive Loss into Income (effective portion) are as follows (in millions):
|  | 2017 |  | 2016 |  | 2015
Compensation and Benefits |  | $ | 14 |  |  | $ | 2 |  |  | $ | 4 |
Other General Expenses |  | (5 | ) |  | (4 | ) |  | (1 | )
Interest Expense |  | (1 | ) |  | (1 | ) |  | (9 | )
Other Income (Expense) |  | (9 | ) |  | (7 | ) |  | (11 | )
Total |  | $ | (1 | ) |  | $ | (10 | ) |  | $ | (17 | )

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5618551-113959 + Details
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