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v3.20.2

Revisions of Previously Issued Financial Statements (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net |  |  | $ (60) | $ (28) |  |  |
Net cash provided by (used in) operating activities |  |  | 283 | 71 |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | 25 | 12 |  |  |
Increase (Decrease) in Client Funds Held |  |  | 3 | 0 |  |  |
Net Cash Provided by (Used in) Investing Activities |  |  | (154) | (134) |  |  |
Net Cash Provided by (Used in) Financing Activities |  |  | 1,057 | (58) |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |  |  | 1,176 | (131) |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period | $ 1,273 | $ 496 | 1,739 | $ 401 | $ 463 | $ 563 | $ 532
Previously Reported |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net | (90) | 10 |  |  |  | 2 |
Net cash provided by (used in) operating activities | 61 | (16) |  |  |  | 628 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  | 206
Increase (Decrease) in Client Funds Held |  |  |  |  | (2) | (15) |
Net Cash Provided by (Used in) Investing Activities |  |  |  |  | (292) | (527) | (520)
Net change in funds held for clients - financing |  | 0 |  |  | 2 | 15 | 0
Net Cash Provided by (Used in) Financing Activities |  | 36 |  |  | 33 | (31) | (58)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 717 | (53) | 476 |  | (67) | 40 | (67)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 548 | 476 | 345 |  | 476 | 476 | 476
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period | 1,265 | 423 |  |  | 409 | 516 |
Revision of Prior Period, Error Correction, Adjustment |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net | (7) | 0 |  |  |  | 6 |
Net cash provided by (used in) operating activities | (7) | 0 |  |  |  | 6 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  | 46
Increase (Decrease) in Client Funds Held |  |  |  |  | 2 | 15 |
Net Cash Provided by (Used in) Investing Activities |  |  |  |  | 2 | 15 | 46
Net change in funds held for clients - financing |  | 17 |  |  | (4) | (30) | 10
Net Cash Provided by (Used in) Financing Activities |  | 17 |  |  | (4) | (30) | 10
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | (7) | 17 | 56 |  | (2) | (9) | 56
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 15 | 46 | 56 |  | 56 | 56 | 56
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period | 8 | 63 |  |  | 54 | 47 |
As Revised March 31, 2020 Form 10-Q |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net |  | 10 |  |  |  |  |
Net cash provided by (used in) operating activities |  | (16) |  |  |  |  |
Net change in funds held for clients - financing |  | 17 |  |  |  |  |
Net Cash Provided by (Used in) Financing Activities |  | 53 |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |  | (36) |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |  | 522 |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period |  | 486 |  |  |  |  |
Further Revision |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net |  | 0 |  |  |  |  |
Net cash provided by (used in) operating activities |  | 0 |  |  |  |  |
Net change in funds held for clients - financing |  | 0 |  |  |  |  |
Net Cash Provided by (Used in) Financing Activities |  | 0 |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |  | 0 |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |  | 10 |  |  |  |  |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period |  | 10 |  |  |  |  |
As Revised |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |  |  |  |  |
Increase (Decrease) in Other Operating Assets and Liabilities, Net | (97) | 10 |  |  |  | 8 |
Net cash provided by (used in) operating activities | 54 | (16) |  |  |  | 634 |
Payments to Acquire Businesses, Net of Cash Acquired |  |  |  |  |  |  | 160
Increase (Decrease) in Client Funds Held |  |  |  |  | 0 | 0 |
Net Cash Provided by (Used in) Investing Activities |  |  |  |  | (290) | (512) | (474)
Net change in funds held for clients - financing |  | 17 |  |  | (2) | (15) | 10
Net Cash Provided by (Used in) Financing Activities |  | 53 |  |  | 29 | (61) | (48)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect | 710 | (36) | 532 |  | (69) | 31 | (11)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents | 563 | 532 | $ 401 |  | 532 | 532 | $ 532
Cash, Cash Equivalents, Restricted Cash and Restricted Cash at end of period | $ 1,273 | $ 496 |  |  | $ 463 | $ 563 |

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