Accumulated Other Comprehensive Income/(Expense), Excluding Noncontrolling Interests (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended
	Apr. 01, 2012	Dec. 31, 2011	Apr. 01, 2012 Net Unrealized Gain/(Losses) [Member] Currency Translation Adjustment And Other [Member]		Apr. 01, 2012 Net Unrealized Gain/(Losses) [Member] Derivative Financial Instruments [Member]		Apr. 01, 2012 Net Unrealized Gain/(Losses) [Member] Available For-Sale Securities [Member]		Apr. 01, 2012 Benefit Plans [Member] Actuarial Gains/(Losses) [Member]		Apr. 01, 2012 Benefit Plans [Member] Prior Service (Costs)/Credits And Other [Member]		Apr. 01, 2012 Accumulated Other Comprehensive Income/(Expense) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, January 1, 2012	$ (3,622)	$ (4,129)	$ 944		$ (361)		$ 46		$ (5,120)		$ 362		$ (4,129)
Other comprehensive income/(expense)			197	[1]	83	[1]	76	[1]	167	[1]	(16)	[1]	507	[1]
Balance, April 1, 2012	$ (3,622)	$ (4,129)	$ 1,141		$ (278)		$ 122		$ (4,953)		$ 346		$ (3,622)

[1] Amounts do not include foreign currency translation adjustments attributable to noncontrolling interests of $1 million loss for the first quarter of 2012.