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v3.19.3

Description of Business and Significant Accounting Policies - Effects on cash flow due to new accounting pronouncements (Details) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Operating activities |  |
Accounts receivable, net | $ 5 | $ 12
Unbilled revenue, net | (61) | (3)
Prepaid income taxes, net |  | 0
Prepaid expenses and other current assets |  | 0
Prepaid expenses, net | (17) | (26)
Workers' compensation collateral receivable |  | 0
Accounts payable and other current liabilities | (16) | (18)
Client deposits | (28) | (17)
Accrued wages | 53 | 34
Accrued corporate wages |  | 0
Accrued health insurance costs, net | 21 | (7)
Accrued workers' compensation costs, net | (16) | (5)
Payroll taxes payable and other payroll withholdings |  | (616)
Worksite employee related assets |  | 0
Worksite employee related liabilities |  | 0
Other assets | (34) | (54)
Other liabilities | $ (13) | (6)
As previously reported |  |
Operating activities |  |
Accounts receivable, net |  | 0
Unbilled revenue, net |  | 0
Prepaid income taxes, net |  | 1
Prepaid expenses and other current assets |  | (24)
Prepaid expenses, net |  | 0
Workers' compensation collateral receivable |  | (10)
Accounts payable and other current liabilities |  | (9)
Client deposits |  | 0
Accrued wages |  | 0
Accrued corporate wages |  | (4)
Accrued health insurance costs, net |  | 0
Accrued workers' compensation costs, net |  | 0
Payroll taxes payable and other payroll withholdings |  | 0
Worksite employee related assets |  | (51)
Worksite employee related liabilities |  | (609)
Other assets |  | 0
Other liabilities |  | 0
Reclassified amounts |  |
Operating activities |  |
Accounts receivable, net |  | 12
Unbilled revenue, net |  | (3)
Prepaid income taxes, net |  | (1)
Prepaid expenses and other current assets |  | 24
Prepaid expenses, net |  | (26)
Workers' compensation collateral receivable |  | 10
Accounts payable and other current liabilities |  | (9)
Client deposits |  | (17)
Accrued wages |  | 34
Accrued corporate wages |  | 4
Accrued health insurance costs, net |  | (7)
Accrued workers' compensation costs, net |  | (5)
Payroll taxes payable and other payroll withholdings |  | (616)
Worksite employee related assets |  | 51
Worksite employee related liabilities |  | 609
Other assets |  | (54)
Other liabilities |  | $ (6)

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