Gains and Losses Recognized in Consolidated Statement of Operations on Qualifying and Non Qualifying Financial Instruments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)	$ (9)	$ 2	$ (13)	$ 5
Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	0	0	0	0
Nondesignated
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	7	(5)	4	(7)
Cost of products sold | Cash Flow Hedging | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)	(7)	5	(7)	12
Cost of products sold | Cash Flow Hedging | Fuel oil contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)	0	1	0	3
Cost of products sold | Cash Flow Hedging | Natural gas contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from AOCI Into Income (Effective Portion)	(2)	(4)	(6)	(10)
Cost of products sold | Nondesignated | Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	2	(5)	(2)	(7)
Cost of products sold | Nondesignated | Derivative | Electricity Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	0	0	(3)	0
Interest Expense, net | Fair Value Hedging | Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	0	8	0	7
Interest Expense, net | Fair Value Hedging | Debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	0	(8)	0	(7)
Interest Expense, net | Nondesignated | Embedded Derivative
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	(1)	0	(2)	(1)
Interest Expense, net | Nondesignated | Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized Into Income	$ 6	$ 0	$ 11	$ 1