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Other Financial Data - Schedule of Other Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Other Financial Data [Abstract] |  |  |
Equity earnings | $ 13 | $ 13 | $ 12
Net gain on disposals of businesses | 39 | 82 | 24
Foreign currency remeasurement (loss) gain | (2) | 30 | 18
(Loss) income on financial instruments | (14) | (24) | (15)
Other | 0 | (1) | 5
Other income | $ 36 | $ 100 | $ 44

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