Acquisitions (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Working Capital	$ 73
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	79
Goodwill, Acquired During Period	551
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	274
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	29
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	(70)
Payments to Acquire Businesses, Net of Cash Acquired	936	$ 0
Revela
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Working Capital	50
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	38
Goodwill, Acquired During Period	410
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	166
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	28
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	(43)
Payments to Acquire Businesses, Net of Cash Acquired	649
FDL
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Working Capital	16
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	34
Goodwill, Acquired During Period	128
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	97
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	(26)
Payments to Acquire Businesses, Net of Cash Acquired	250
PT
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Working Capital	5
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	5
Goodwill, Acquired During Period	5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	0
Payments to Acquire Businesses, Net of Cash Acquired	15
TNS
Business Acquisition [Line Items]
Business Acquisition, Purchase Price Allocation, Working Capital	2
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment	2
Goodwill, Acquired During Period	8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	11
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities	(1)
Payments to Acquire Businesses, Net of Cash Acquired	$ 22