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Leases (Lessee Components of Lease Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Property leases
Operating lease expense	$ 146	$ 130	$ 419	$ 443
Variable lease expense	152	51	318	107
Total property lease expense	298	181	737	550
Minimum annual guaranteed rent in excess of concession fees, net	$ (4)	$ 11	$ 12	$ 41

X

- Definition

Operating Lease, Minimum Annual Guaranteed Rent In Excess Of Concession Fees

+ References

No definition available.

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X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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