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Other Financial Data Schedule of Other Current Liabilities (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
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Other Financial Data [Abstract] |  |
Deferred revenue | $ 482 | $ 475
Taxes payable | 115 | 136
Deferred tax liabilities | 53 | 48
Other | 307 | 247
Other Liabilities, Current | $ 957 | $ 906

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