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Weighted Average Common Shares (Reconciliation of Basic to Diluted Weighted Average Common Shares) (Details) - shares
shares in Millions
3 Months Ended
May 03, 2020
May 05, 2019
Reconciliation of Basic to Diluted Weighted Average Common Shares:    
Basic weighted average common shares (in shares) 1,073 1,101
Effect of potentially dilutive securities (in shares) 4 5
Diluted weighted average common shares (in shares) 1,077 1,106
Anti-dilutive securities excluded from diluted weighted average common shares (in shares) 0 0