Fair Value Of Financial Instruments Unobservable Input Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Measurements, Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at beginning of year	$ 10
Fair value at end of year	10	$ 10
Contingent Consideration liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Additions	0	10
Payments	0	(52)
Contingent Consideration liability | Fair Value, Measurements, Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at beginning of year	10	52
Fair value at end of year		10
Contingent Consideration liability | Fair Value, Measurements, Recurring | Other Current Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at end of year	10
Contingent Consideration liability | Fair Value, Measurements, Recurring | Long-term liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at beginning of year	$ 10
Fair value at end of year		$ 10