Note 11 - Segment Information (Details) - Segment Reporting (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013		Mar. 31, 2013		Dec. 31, 2012
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	$ 15,264	[1],[2]	$ 14,550	[1],[2]	$ 13,862	[1],[2]
Goodwill	1,827	[3]	1,827	[3]	1,822	[3]	1,776	[3]
Distribution Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	11,823	[2],[4],[5]			11,188	[2],[4],[5]
Distribution Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			11,634	[2],[6]
Goodwill	1,640	[3]	1,640	[3]	1,640	[3]	1,640	[3]
Retail Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	738	[2],[4],[5]			663	[2],[4],[5]
Retail Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			685	[2],[6]
Goodwill	173	[3]	173	[3]	168	[3]	122	[3]
Wholesale Services [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	1,782	[2],[4],[5]			1,005	[2],[4],[5]
Wholesale Services [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			1,163	[2],[6]
Midstream Operations [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	698	[2],[4],[5]			714	[2],[4],[5]
Midstream Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			713	[2],[6]
Goodwill	14	[3]	14	[3]	14	[3]	14	[3]
Other Segments [Member] | Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	9,844	[2],[4],[5],[7]			9,732	[2],[4],[5],[7]
Other Segments [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			10,160	[2],[6],[8]
Goodwill				[8]
Intersegment Eliminations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets			(10,088)	[2],[6]
Continuing Operations [Member]
Note 11 - Segment Information (Details) - Segment Reporting [Line Items]
Identifiable and total assets	15,000	[2],[4],[5]	14,267	[2],[6]	13,571	[2],[4],[5]
Goodwill			$ 1,827

[1] Reflects the reclassification of the Tropical Shipping amounts as held for sale. See Note 12 for additional information.

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

[3] Excludes goodwill at Tropical Shipping which is classified as held for sale. See Note 12 for additional information.

[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 used in each segment's operations and exclude assets held for sale.

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

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

[8] Includes our investment in Triton, which was part of our cargo shipping segment that is classified as discontinued operations. For more information see Note 12.