Leases (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Lessee, Lease, Description [Line Items]
ROU assets impairment loss	$ 1	$ 8
Lessee, operating lease, lease not yet commenced, amount	$ 55
Minimum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract (in years)	10 years
Maximum
Lessee, Lease, Description [Line Items]
Lessee, operating lease, term of contract (in years)	25 years