Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The cumulative effect of the changes made to our consolidated January 1, 2018 balance sheet for the adoption of ASU No. 2014-09 was as follows:



	Balance at December 31, 2017		Adjustments Due to ASC 606			Balance at January 1, 2018
	(in millions)
Assets
Other current assets	$	81	$	8		$	89
Property and Equipment, net	1,557		—			1,557
Intangible assets, net	768		(100		)	668
Other noncurrent assets	45		39			84
Liabilities and Equity
Other noncurrent liabilities	125		1			126
Common unitholders	1,947		(54		)	1,893

The adoption of the new revenue standard resulted in reclassifications to/from revenue, cost of sales, and operating expenses. Additionally, changes in timing of revenue recognition have required the creation of contract asset or contract liability balances, as well as certain balance sheet reclassifications. In accordance with the requirements of Topic 606, the disclosure below shows the impact of adopting the new standard on the income statement and the balance sheet.



	For the Three Months Ended March 31, 2018
	As Reported		Balances Without Adoption of ASC 606		Effect of Change Higher/(Lower)
	(in millions)
Revenues
Wholesale motor fuel sales to third parties	$	3,094	$	3,104	$	(10	)
Other	41		41		—
Costs of Sales
Other	14		15		(1		)
Operating Expenses
Other Operating	98		100		(2		)
Depreciation, amortization and accretion	49		55		(6		)

	March 31, 2018
	As Reported		Balances Without Adoption of ASC 606		Effect of Change Higher/(Lower)
	(in millions)
Assets
Other current assets	$	71	$	62	$	9
Property and Equipment, net	1,522		1,522		—
Intangible assets, net	656		761		(105		)
Other noncurrent assets	91		49		42
Liabilities and Equity
Other noncurrent liabilities	137		136		1
Common unitholders	932		987		(55		)