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Commitments and Contingencies (Tables) | 12 Months Ended
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Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract] |
Commitments Disclosure | Future minimum payments on leases, and marketing and sponsorship agreements per fiscal year, at September 30, 2017, are as follows:
| 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | Thereafter |  | Total
| (in millions)
Operating leases | $ | 155 |  |  | $ | 119 |  |  | $ | 68 |  |  | $ | 64 |  |  | $ | 57 |  |  | $ | 163 |  |  | $ | 626 |
Marketing and sponsorships | 124 |  |  | 123 |  |  | 112 |  |  | 40 |  |  | 33 |  |  | — |  |  | 432 |
Total | $ | 279 |  |  | $ | 242 |  |  | $ | 180 |  |  | $ | 104 |  |  | $ | 90 |  |  | $ | 163 |  |  | $ | 1,058 |
Expected Reduction of Revenue for Volumn and Support Incentive Agreements | The table below sets forth the estimated expected future reduction of revenue per fiscal year for client incentive agreements in effect at September 30, 2017:
(in millions) | 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 |  | Thereafter |  | Total
Client incentives | $ | 5,049 |  |  | $ | 4,654 |  |  | $ | 4,117 |  |  | $ | 3,658 |  |  | $ | 3,102 |  |  | $ | 5,080 |  |  | $ | 25,660 |

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