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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, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Net income | $ 1,089 | $ 1,125 | $ 793
Deferred income taxes | 24 | 21 | 147
Gain on remeasurement of Tax Receivable Agreement liability |  | (3) | (93)
Net cash provided by operating activities | 2,666 | 2,356 | 1,065
Cash flows provided by investing activities | (89) | (57) | (26)
Cash flows used in financing activities | (419) | (399) | (374)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | 24 | (79) | 65
Net increase in cash, cash equivalents, and restricted cash | 2,182 | 1,821 | 730
Cash, cash equivalents, and restricted cash at beginning of period | 2,597 | 1,732 |
Cash, cash equivalents, and restricted cash at end of period | 2,882 | 2,597 | 1,732
Cash paid for interest | 654 | 444 | 209
Cash paid for taxes, net | 51 | 50 | 47
Parent Company [Member] |  |  |
Net income | 161 | 169 | 76
Undistributed gains of subsidiaries, net | (208) | (206) | (147)
Deferred income taxes | 23 | 23 | 149
Gain on remeasurement of Tax Receivable Agreement liability |  | (3) | (93)
Changes in operating assets and liabilities | (1) | 15 | (9)
Net cash provided by operating activities | (25) | (2) | (24)
Cash flows provided by investing activities | 81 | 74 | 56
Cash flows used in financing activities | (60) | (58) | (43)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | 4 | (13) | 11
Net increase in cash, cash equivalents, and restricted cash |  | 1 |
Cash, cash equivalents, and restricted cash at beginning of period | 1 |  |
Cash, cash equivalents, and restricted cash at end of period | 1 | 1 |
Cash paid for interest | 2 | 1 |
Cash paid for taxes, net | $ 20 | 14 | $ 13
Non Cash Distribution From Subsidiaries |  | $ 2 |

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