Nonpension Postretirement and Postemployment Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Nonpension Postretirement [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Company plan benefit expense [Table Text Block]

(millions)		2011		2010
Change in accumulated benefit obligation
Beginning of year	$	1,224	$	1,162
Service cost		23		20
Interest cost		62		64
Actuarial (gain) loss		(86)		36
Benefits paid		(67)		(60)
Foreign currency adjustments		(1)		2
End of year	$	1,155	$	1,224
Change in plan assets
Fair value beginning of year	$	1,008	$	672
Actual return on plan assets		12		108
Employer contributions		12		293
Benefits paid		(67)		(65)
Fair value end of year	$	965	$	1,008
Funded status	$	(190)	$	(216)
Amounts recognized in the Consolidated
Balance Sheet consist of
Other current liabilities	$	(2)	$	(2)
Other liabilities		(188)		(214)
Net amount recognized	$	(190)	$	(216)
Amounts recognized in accumulated other
comprehensive income consist of
Net experience loss	$	281	$	315
Prior service credit		(6)		(9)
Net amount recognized	$	275	$	306

Schedule of Net Benefit Costs [Table Text Block]

Expense
Components of postretirement benefit expense were:
(millions)		2011		2010		2009
Service cost	$	23	$	20	$	18
Interest cost		62		64		65
Expected return on plan assets		(88)		(64)		(68)
Amortization of unrecognized prior service credit		(3)		(3)		(2)
Recognized net loss		20		17		13
Postretirement benefit expense:
Defined benefit plans		14		34		26
Defined contribution plans		14		14		14
Total	$	28	$	48	$	40

Schedule of Assumptions Used [Table Text Block]

Assumptions
The weighted-average actuarial assumptions used to determine benefit obligations were:
	2011		2010		2009
Discount rate	4.6	%	5.3	%	5.7	%
The weighted-average actuarial assumptions used to determine annual net periodic benefit cost were:
	2011		2010		2009
Discount rate	5.3	%	5.7	%	6.1	%
Long-term rate of return on plan assets	8.9	%	8.9	%	8.9	%

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

	One percentage		One percentage
(millions)	point increase		point decrease
Effect on total of service and interest cost components	$	9	$	(7)
Effect on postretirement benefit obligation		122		(96)

Schedule of Allocation of Plan Assets [Table Text Block]

			Total		Total		Total
(millions)			Level 1		Level 2		Level 3		Total
Cash and cash equivalents		$	11	$	15	$	-	$	26
Corporate stock, common:
	Domestic		181		-		-		181
	International		20		-		-		20
Mutual funds:
	Domestic equity		-		53		-		53
	International equity		-		76		-		76
	Domestic debt		-		87		-		87
Collective trusts:
	Domestic equity		-		185		-		185
	International equity		-		135		-		135
Bonds, corporate			-		90		-		90
Bonds, government			-		98		-		98
Bonds, other			-		12		-		12
Other			2		-		-		2
Total		$	214	$	751	$	-	$	965

			Total		Total		Total
(millions)			Level 1		Level 2		Level 3		Total
Cash and cash equivalents		$	17	$	31	$	-	$	48
Corporate stock, common
	Domestic		184		-		-		184
	International		12		-		-		12
Mutual funds:
	Domestic equity		-		76		-		76
	International equity		-		97		-		97
	Domestic debt		-		73		-		73
Collective trusts:
	Domestic equity		-		241		-		241
	International equity		-		137		-		137
Bonds, corporate			-		99		-		99
Bonds, government			-		34		-		34
Bonds, other			-		7		-		7
Total		$	213	$	795	$	-	$	1,008

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

(millions)		Bonds, other
January 2, 2010	$	1
Purchases		-
Sales		(1)
January 1, 2011	$	-
Purchases		-
Sales		-
December 31, 2011	$	-

Postemployment [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Company plan benefit expense [Table Text Block]

(millions)		2011		2010
Change in accumulated benefit obligation
Beginning of year	$	85	$	74
Service cost		6		6
Interest cost		4		4
Actuarial loss		6		8
Benefits paid		(8)		(7)
End of year	$	93	$	85
Funded status	$	(93)	$	(85)
Amounts recognized in the Consolidated
Balance Sheet consist of
Other current liabilities	$	(9)	$	(8)
Other liabilities		(84)		(77)
Net amount recognized	$	(93)	$	(85)
Amounts recognized in accumulated other
comprehensive income consist of
Net experience loss	$	44	$	43
Net amount recognized	$	44	$	43

Schedule of Net Benefit Costs [Table Text Block]

Components of postemployment benefit expense were:
(millions)		2011		2010		2009
Service cost	$	6	$	6	$	6
Interest cost		4		4		4
Recognized net loss		5		4		4
Postemployment benefit expense	$	15	$	14	$	14

Schedule of Expected Benefit Payments [Table Text Block]

(millions)		Postretirement		Postemployment
2012	$	66	$	9
2013		68		9
2014		70		10
2015		71		10
2016		72		11
2017-2021		383		63