XML 72 R46.htm IDEA: XBRL DOCUMENT v3.6.0.2
Lease Commitments (Tables)
 12 Months Ended
Dec. 31, 2016
Lease Commitments [Abstract]  
Schedule of future minimum lease payments required under operating leases
Future minimum lease payments required under operating leases with initial or remaining noncancelable terms in excess of one year as of December 31, 2016 were as follows:
(millions)
2017
 
2018
 
2019
 
2020
 
2021
 
After 2021
Future minimum lease payments
$
31

 
$
26

 
$
22

 
$
17

 
$
12

 
$
7