Leases Maturities of Lease Liabilities (Details) $ in Millions	Dec. 31, 2023 USD ($)	[1]
Leases [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Year One	$ 570
Lessee, Operating Lease, Liability, to be Paid, Year Two	557
Lessee, Operating Lease, Liability, to be Paid, Year Three	548
Lessee, Operating Lease, Liability, to be Paid, Year Four	542
Lessee, Operating Lease, Liability, to be Paid, Year Five	540
Lessee, Operating Lease, Liability, to be Paid, after Year Five	5,472
Lessee, Operating Lease, Liability, to be Paid	8,229
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(2,336)
Operating Lease, Liability	$ 5,893

[1] Excludes the Company's contingent payments for operating leases (such as payments based on revenues derived from the communications infrastructure located on the leased asset) as such arrangements are excluded from the Company's operating lease liability. Such contingencies are recognized as expense in the period they are resolved