Goodwill and Intangible Assets Goodwill and Intangible Assets - Detail of Identifiable Intangible Assets (Details) - USD ($) $ in Millions	Sep. 08, 2018	Feb. 24, 2018
Finite-Lived Intangible Assets, Gross	$ 194	$ 198
Finite-Lived Intangible Assets, Accumulated Amortization	83	72
Intangible assets, net	116	131
Finite-Lived Intangible Assets, Net	111	126
Intangible Assets, Gross (Excluding Goodwill)	199	203
Trade Names [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	5	5
Customer Relationships [Member]
Finite-Lived Intangible Assets, Gross	173	177
Finite-Lived Intangible Assets, Accumulated Amortization	73	66
Finite-Lived Intangible Assets, Net	100	111
Above Market Leases [Member]
Finite-Lived Intangible Assets, Gross	21	21
Finite-Lived Intangible Assets, Accumulated Amortization	10	6
Finite-Lived Intangible Assets, Net	$ 11	$ 15