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Business Combinations Allocation of Purchase Price (Details) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Aug. 26, 2024 | Jan. 22, 2024
Business Acquisition [Line Items] |  |  |
Cash | $ 63 |  |
Trade accounts receivable | 198 |  |
Other current assets | 31 |  |
Property and equipment and other noncurrent assets | 24 |  |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Assets | 49 |  |
Non-deductible goodwill | 846 |  |
Tax-deductible goodwill | 166 |  |
Other current liabilities | 98 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | (97) |  |
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation | 41 |  |
Purchase price | 1,791 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets | 45 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Operating Lease Liabilities | 8 |  |
Thirdera |  |  |
Business Acquisition [Line Items] |  |  |
Cash |  |  | $ 8
Trade accounts receivable |  |  | 21
Other current assets |  |  | 11
Property and equipment and other noncurrent assets |  |  | 2
Non-deductible goodwill |  |  | 178
Tax-deductible goodwill |  |  | 166
Other current liabilities |  |  | 29
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  |  | (3)
Purchase price |  |  | 428
Belcan |  |  |
Business Acquisition [Line Items] |  |  |
Cash |  | $ 55 |
Trade accounts receivable |  | 177 |
Other current assets |  | 20 |
Property and equipment and other noncurrent assets |  | 22 |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Operating Lease Assets |  | 49 |
Non-deductible goodwill |  | 668 |
Tax-deductible goodwill |  | 0 |
Other current liabilities |  | 69 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities |  | (94) |
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Lease Obligation |  | 41 |
Purchase price |  | 1,363 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets |  | 45 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Operating Lease Liabilities |  | 8 |
Customer Relationships |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | $ 612 |  |
Weighted Average Useful Life | 11 years |  |
Customer Relationships | Thirdera |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired |  |  | 73
Customer Relationships | Belcan |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired |  | 539 |
Other Intangible Assets [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired | $ 1 |  |
Weighted Average Useful Life | 1 year |  |
Other Intangible Assets [Member] | Thirdera |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired |  |  | $ 1
Other Intangible Assets [Member] | Belcan |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets acquired |  | $ 0 |

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