Goodwill and Intangible Assets (Amortization Life of Intangible Assets) (Details)	12 Months Ended
	Dec. 31, 2022
Contract and program intangible assets | Minimum
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	7 years
Contract and program intangible assets | Maximum
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	30 years
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	30 years
Technology and software | Minimum
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	7 years
Technology and software | Maximum
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	15 years
Other intangible assets
Finite-Lived Intangible Assets [Line Items]
Range of Amortization Life	7 years