Quarterly report pursuant to Section 13 or 15(d)

Retirement Benefit Plans (Net Periodic Expense) (Details)

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Retirement Benefit Plans (Net Periodic Expense) (Details) - USD ($)
$ in Millions
3 Months Ended
May 04, 2019
May 05, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Service cost $ 7 $ 9
Interest cost 33 35
Expected return on plan assets (48) (56)
Amortization of prior service cost/(credit) 2 2
Net periodic pension expense/(income) (6) (10)
Other components of net periodic pension cost/(income) $ (13) $ (19)