Note 2 - Significant Accounting Policies and Methods of Application (Details) - Intangible Assets (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross	$ 175	[1]	$ 84	[1]
Accumulated Amortization	(30)	[1]	(13)	[1]
Net	145	[1]	71	[1]
Retail Operations [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	13 years
Gross	130	[1]	53	[1]
Accumulated Amortization	(25)	[1]	(11)	[1]
Net	105	[1]	42	[1]
Retail Operations [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (in years)	13 years
Gross	45	[1]	30	[1]
Accumulated Amortization	(5)	[1]	(2)	[1]
Net	40	[1]	28	[1]
Wholesale Services [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross		[1]	1	[1]
Accumulated Amortization		[1]		[1]
Net		[1]	1	[1]
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	(25)		(11)
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (5)		$ (2)

[1] Amounts revised to include prior period adjustments. See Note 15 for additional information.