Acquired assets and liabilities (Details) $ in Millions	Mar. 04, 2019 USD ($)
Business Combinations [Abstract]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 34
Consideration Paid for Acquisition	69
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	15
Business Acquisition Operating Lease ROU	51
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	37
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	137
Business Acquisition Operating Liabilities	(64)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	$ (4)