Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements and Concentrations of Credit Risk (Financial Assets Measured At Fair Value On A Recurring and Nonrecurring Basis) (Details)

v3.21.1
Fair Value Measurements and Concentrations of Credit Risk (Financial Assets Measured At Fair Value On A Recurring and Nonrecurring Basis) (Details) - USD ($)
$ in Millions
Jan. 30, 2021
Feb. 01, 2020
Marketable equity and debt securities $ 100 $ 132
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Marketable equity and debt securities 37 34
Significant Observable Inputs (Level 2) [Member]    
Marketable equity and debt securities 63 98
Significant Unobservable Inputs (Level 3) [Member]    
Marketable equity and debt securities $ 0 $ 0