Subsequent Events (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Oct. 18, 2023 uSRetireeAndBeneficiary
Subsequent Event
Subsequent Event [Line Items]
Pension plan transferred			85.00%
Number of participants transferred			8,200
Number of participants			1,900
Pension Plans Defined Benefit
Subsequent Event [Line Items]
Contributions by employer | $	$ 222	$ 272