Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 74	$ 119
Accounts receivable, net	442	539
Receivables from affiliates	13	3
Inventories, net	512	573
Other current assets	162	155
Total current assets	1,203	1,389
Property and equipment, net	3,299	3,373
Other assets:
Goodwill	2,612	2,618
Intangible assets, net	1,292	1,255
Other noncurrent assets	48	66
Total assets	8,454	8,701
Current liabilities:
Accounts payable	438	616
Accounts payable to affiliates	111	109
Advances from affiliates	1	87
Accrued expenses and other current liabilities	371	372
Current maturities of long-term debt	5	5
Total current liabilities	926	1,189
Revolving line of credit	761	1,000
Long-term debt, net	3,534	3,509
Deferred tax liability	626	643
Other noncurrent liabilities	178	164
Total liabilities	6,025	6,505
Commitments and contingencies (Note 12)
Equity:
Total equity	2,429	2,196
Total liabilities and equity	8,454	8,701
Common Units - Public [Member]
Equity:
Total partners' capital	1,458	1,467
Common Units - Affiliated [Member]
Equity:
Total partners' capital	671	729
Class C Units - Held by Subsidiary [Member]
Equity:
Total partners' capital	$ 0	$ 0

Advances from affiliates, current.

No definition available.

Name:	sun_AdvancesFromAffiliatesCurrent
Namespace Prefix:	sun_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).