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Pension Benefits (Tables)
 3 Months Ended
Dec. 31, 2018
Retirement Benefits [Abstract]  
Net Periodic Benefit Cost (Table)
The components of net periodic benefit cost for our defined benefit pension plans, which are currently frozen to future benefit accruals, are set forth below. Net periodic benefit cost, other than service cost, if any, is presented in the Consolidated Statements of Earnings within Other items, net.
Net Periodic Benefit Cost
(in millions)
Quarter Ended 
 December 31,
2018
 
2017
Interest cost
$
10

 
$
9

Expected return on plan assets
(10
)
 
(10
)
Recognized actuarial loss
1

 
2

Net periodic benefit cost
$
1

 
$
1