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 9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Nov. 02, 2019
Nov. 03, 2018
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]        
Service cost $ 7 $ 9 $ 21 $ 28
Interest cost 33 34 99 104
Expected return on plan assets (48) (55) (144) (167)
Amortization of prior service cost/(credit) 2 2 6 6
Net periodic pension expense/(income) (6) (10) (18) (29)
Other components of net periodic pension cost/(income) $ (13) $ (19) $ (39) $ (57)