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Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2024
Accounting Policies [Abstract] |
Activity and balances related to incurred but not paid workers' compensation claims | The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:
| Three Months Ended March 31,
(in millions) | 2024 |  | 2023
Beginning balance, January 1, | $ | 220 |  |  | $ | 229 |
Accrued claims | 14 |  |  | 16 |
Present value discount, net of accretion | (3) |  |  | (3) |
Paid claims | (16) |  |  | (13) |
Ending balance | $ | 215 |  |  | $ | 229 |
Current portion of accrued claims | $ | 60 |  |  | $ | 48 |
Long-term portion of accrued claims | 155 |  |  | 181 |
Total accrued claims | $ | 215 |  |  | $ | 229 |
Disaggregation of Revenue [Table Text Block] | Our revenue for our PEO HR Outsourcing Solutions by geographic region and for our other products and services offerings are as follows:
| Three Months Ended March 31,
(in millions) | 2024 | 2023 | % Change
Northeast | $ | 509 |  | $ | 492 |  | 3 | %
Southeast | 246 |  | 239 |  | 3 | %
Central | 324 |  | 319 |  | 2 | %
Southwest | 340 |  | 340 |  | — | %
West | 366 |  | 363 |  | 1 | %
| 1,785 |  | 1,753 |  | 2 | %
Other revenue | 17 |  | 17 |  | — | %
Total revenue | $ | 1,802 |  | $ | 1,770 |  | 2 | %
Revenues Comprise of Gross Billings and WSEE Payroll Cost [Table] | Revenues are comprised of gross billings less WSEE payroll costs as follows:
| Three Months Ended March 31,
(in millions) | 2024 | 2023
Gross billings | $ | 11,483 |  | $ | 11,451 |
Less: WSEE payroll cost | 9,681 |  | 9,681 |
Revenues | $ | 1,802 |  | $ | 1,770 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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