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Variable Interest Entity (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
May 08, 2020
Apr. 26, 2020
Aug. 01, 2021
Aug. 02, 2020
Jul. 28, 2019
Feb. 29, 2016
LLC ownership percentage 99.80%          
Proceeds from sale of investment $ 30   $ 0 $ 30 $ 0  
Investment losses   $ 45 $ 0 [1] $ 49 [1] $ 1 [1]  
Investments funded $ 86          
Total Commitment [Member]            
Other Commitment           $ 125
[1] 2020 includes a loss of $45 related to Acre. See Note 14 for additional information.