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Lease Commitments (Tables)
 12 Months Ended
Sep. 30, 2018
Leases [Abstract]  
Schedule of Rent Expense Rental expense under operating leases for continuing operations was as follows:

 

(In millions)

 

2018

 

 

2017

 

 

2016

 

Minimum rentals (including rentals under short-term leases)

 

$

54

 

 

$

48

 

 

$

50

 

Contingent rentals

 

 

—

 

 

 

—

 

 

 

1

 

Sublease rental income

 

 

(1

)

 

 

(1

)

 

 

(1

)

 

 

$

53

 

 

$

47

 

 

$

50