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Basis of Presentation (Tables)
 12 Months Ended
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Prior Period Adjustments
The impact to the Consolidated Statements of Cash Flows previously filed in unaudited Quarterly Reports on Form 10-Q is as follows (in millions):
 
Q1 2016
 
Q2 2016
 
Q3 2016
(Unaudited)
As Reported
Effect of Change(1)
As Revised
 
As Reported
Effect of Change(1)
As Revised
 
As Reported
Effect of Change(1)
As Revised
Net Income
$
327

$
10

$
337

 
$
607

$
38

$
645

 
$
921

$
50

$
971

Change in assets and liabilities:
 
 
 
 
 
 
 
 
 
 
 
Receivables, net
110

(13
)
97

 
175

(47
)
128

 
289

(61
)
228

Other assets and liabilities
$
69

$
3

$
72

 
$
56

$
9

$
65

 
$
83

$
11

$
94

(1)
No net impact to Cash Provided by Operating Activities.