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Debt - Narrative (Details)
9 Months Ended
Oct. 27, 2019
USD ($)
Debt Instrument [Line Items]  
Debt redemption, notice period 30 days
Proceeds from issuance of debt $ 1,980,000,000
Commercial paper outstanding 0
Revolving Credit Facility  
Debt Instrument [Line Items]  
Current borrowing capacity 575,000,000
Additional borrowing capacity 425,000,000
Line of credit outstanding 0
Commercial Paper  
Debt Instrument [Line Items]  
Current borrowing capacity 575,000,000
2.20% Notes Due 2021  
Debt Instrument [Line Items]  
Face amount of debt $ 1,000,000,000.00
Stated interest rate 2.20%
3.20% Notes Due 2026  
Debt Instrument [Line Items]  
Face amount of debt $ 1,000,000,000.00
Stated interest rate 3.20%