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Schedule I—Condensed Financial Information of Registrant (Parent Company Only) (Condensed Statements Of Cash Flows) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net income | $ 1,125 | $ 793 | $ 699
Deferred income taxes | 21 | 147 | 27
Gain on remeasurement of Tax Receivable Agreement liability | (3) | (93) |
Net cash provided by operating activities | 2,356 | 1,065 | 635
Cash flows provided by investing activities | (57) | (26) | (6)
Cash flows provided by financing activities | (399) | (374) | (189)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (79) | 65 | (25)
Net increase in cash, cash equivalents, and restricted cash | 1,821 | 730 | 415
Cash, cash equivalents, and restricted cash at beginning of period | 1,732 | 1,925 |
Cash, cash equivalents, and restricted cash at end of period | 2,597 | 1,732 | 1,925
Cash paid for interest | 444 | 209 | 77
Cash paid for taxes, net | 50 | 47 | 29
Parent Company [Member] |  |  |
Net income | 169 | 76 | 84
Undistributed gains of subsidiaries, net | (206) | (147) | (117)
Deferred income taxes | 23 | 149 | 30
Gain on remeasurement of Tax Receivable Agreement liability | (3) | (93) |
Changes in operating assets and liabilities | 15 | (9) | 9
Net cash provided by operating activities | (2) | (24) | 6
Cash flows provided by investing activities | 74 | 56 | 42
Cash flows provided by financing activities | (58) | (43) | (44)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (13) | 11 | (5)
Net increase in cash, cash equivalents, and restricted cash | 1 |  | (1)
Cash, cash equivalents, and restricted cash at beginning of period |  |  | 1
Cash, cash equivalents, and restricted cash at end of period | 1 |  |
Cash paid for interest | 1 |  |
Cash paid for taxes, net | 14 | $ 13 | (1)
Non Cash Distribution From Subsidiaries | $ 2 |  | $ 1

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