Goodwill and Other Intangible Assets (Other Intangible Assets Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Amortization of Intangible Assets	$ 56	$ 43	$ 61
Contractual Rights [Member]
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 30	13
Liquor Licenses [Member]
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			$ 4
Customer Contracts [Member]
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	9 years
Other Intangible Assets [Member]
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	5 years
Deferred Loan Origination Costs [Member]
Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]
Finite-Lived Intangible Assets, Remaining Amortization Period	4 years