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Organization and Basis of Consolidation and Presentation - Debt Issuance Costs (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Basis of Consolidation and Presentation |  |
Depreciation and amortization | $ 114 | $ 104
Interest expense, net | $ 112 | 105
ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs | Reclassification due to retrospective application of revised guidance |  |
Basis of Consolidation and Presentation |  |
Depreciation and amortization |  | (3)
Interest expense, net |  | $ 3

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