Note 11 - Segment Information (Details) - Segment Reporting (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Jun. 30, 2013		Dec. 31, 2012
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	$ 14,181	[1]	$ 14,550	[1]	$ 13,708	[1]
Goodwill	1,827	[2]	1,827	[2]	1,822	[2]	1,776	[2]
Distribution Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	11,515	[1],[3],[4]			11,088	[1],[3],[4]
Distribution Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			11,634	[1],[5]
Goodwill	1,640		1,640		1,640		1,640
Retail Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	671	[1],[3],[4]			634	[1],[3],[4]
Retail Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			685	[1],[5]
Goodwill	173		173		168		122
Wholesale Services [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	1,207	[1],[3],[4]			1,008	[1],[3],[4]
Wholesale Services [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			1,163	[1],[5]
Midstream Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	699	[1],[3],[4]			715	[1],[3],[4]
Midstream Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			713	[1],[5]
Goodwill	14		14		14		14
Other Segments [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	9,499	[1],[3],[4],[6]			9,668	[1],[3],[4],[6]
Other Segments [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			10,160	[1],[5],[7]
Goodwill				[7]
Intersegment Eliminations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			(10,088)	[1],[5]
Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	13,924	[1],[3]	14,267	[1],[5]	13,419	[1],[3]
Goodwill			$ 1,827

[1] Amounts revised to include prior period adjustments. See Note 13 for additional information.

[2] Excludes goodwill at Tropical Shipping now classified as held for sale. See Note 12 for additional information.

[3] Identifiable assets are those used in each segment's operations and exclude assets held for sale

[4] Wholesale services records its energy marketing and risk management revenues on a net basis. A reconciliation of our operating revenues and our intercompany revenues is shown in the following table.

[5] Identifiable assets are those assets used in each segment's operations and exclude assets held for sale.

[6] Our "other" segment now also includes our investment in Triton, which was part of our cargo shipping segment and has been classified as discontinued operations. For more information see Note 12.

[7] Includes our investment in Triton that was previously part of the cargo shipping segment.