XML 59 R42.htm IDEA: XBRL DOCUMENT v3.3.1.900
Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
Schedule of Accounts Receivable
(In millions)
2015
 
2014
Accounts receivable
$
2,138

 
$
2,215

Allowance for doubtful accounts
(105
)
 
(89
)
 
$
2,033

 
$
2,126