Note 18 - Accumulated Other Comprehensive (Loss) Income (Details) - Reclassifications out of Accumulated Other Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012
Pension and other postretirement benefit obligation changes:
	$ (23)		$ (17)	$ (30)		$ (32)
Amounts Reclassified From Accumulated Other Comprehensive Income [Member]
Pension and other postretirement benefit obligation changes:
Amortization of prior-service cost (credit)	(29)	[1]		(56)	[1]
Amortization of actuarial losses	73	[1]		144	[1]
Recognition of losses due to settlements	14	[1]		17	[1]
	58			105
	(12)			(19)
Reclassifications for the period	$ 46			$ 86

[1] See Note 14, "Retirement Plans and Other Postretirement Benefits," regarding the pensions and other postretirement plan obligation changes.