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Variable Interest Entities (Tables)
3 Months Ended
Mar. 31, 2018
Variable Interest Entities [Abstract]  
Schedule of Financial Data of VIE
The following tables present selected financial data from the consolidated financial statements of WGP:
 
Three Months Ended 
 March 31,
millions
2018
 
2017
Statement of Operations Data
 
 
 
Total revenues and other
$
437

 
$
516

Operating income (loss)
187

 
138

Net income (loss)
150

 
103

Statement of Cash Flows Data
 
 
 
Net cash provided by (used in) operating activities
$
241

 
$
192

Net cash provided by (used in) investing activities
(294
)
 
(252
)
Net cash provided by (used in) financing activities
497

 
(176
)

millions
March 31, 
 2018
 
December 31, 
 2017
Balance Sheet Data
 
 
 
Cash and cash equivalents
$
524

 
$
80

Net property, plant, and equipment
6,064

 
5,731

Total assets
8,816

 
8,016

Long-term debt
4,176

 
3,493

Total liabilities
4,967

 
4,071

Total equity and partners’ capital
3,849

 
3,945