XML 39 R24.htm IDEA: XBRL DOCUMENT v2.4.1.9
Pension and Other Postretirement Benefits (Tables)
 3 Months Ended
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures
The components of net periodic benefit cost are as follows:
 
Pension Benefits
 
Other Postretirement Benefits
 
Three Months Ended
December 31,
 
Three Months Ended
December 31,
 
2014
 
2013
 
2014
 
2013
 
(in millions)
Service cost
$
12

 
$
11

 
$
—

 
$
—

Interest cost
10

 
10

 
—

 
—

Expected return on assets
(18
)
 
(17
)
 
—

 
—

Amortization of prior service credit
(2
)
 
(2
)
 
(1
)
 
(1
)
Settlement loss
2

 
1

 
—

 
—

Total net periodic benefit cost
$
4

 
$
3

 
$
(1
)
 
$
(1
)