Pension and Postretirement Benefit Plans - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2012	Jun. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Period of Forecast				10 years
Defined benefit plan investment policy description				Investment policy — Target asset allocations of U.S. pension plans are established through an investment policy, which is updated periodically and reviewed by an Investment Committee, comprised of certain company officers and directors. The investment policy allows for a flexible asset allocation mix which is intended to provide appropriate diversification to lessen market volatility while assuming a reasonable level of economic risk.
Minimum [Member] | Green Zone [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension Protection Act Zone Funded Percentages	80.00%			80.00%
Minimum [Member] | Yellow Zone [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension Protection Act Zone Funded Percentages	65.00%			65.00%
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of contribution range				5.00%
Maximum [Member] | Red Zone [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension Protection Act Zone Funded Percentages	65.00%			65.00%
United States Pension Plans of US Entity, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial gain loss for defined benefit plans to be amortized next year				$ (17)
Prior service cost, plan amendment
Reduction in pension benefit obligation
Reduction in the fair value of plan assets
Pension benefit obligations settlement loss
Expected rate of return	7.00%
Projected contributions to be made to the defined benefit pension plans	0
United States Pension Plans of US Entity, Defined Benefit | Growth Portfolio [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	50.00%			50.00%
Asset target allocation				45.00%
United States Pension Plans of US Entity, Defined Benefit | Immunizing Portfolio [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	43.00%			43.00%
Asset target allocation				53.00%
United States Pension Plans of US Entity, Defined Benefit | Liquidity Portfolio [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocation	7.00%			7.00%
Asset target allocation				2.00%
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial gain loss for defined benefit plans to be amortized next year				(3)
Prior service cost, plan amendment		6			6
Reduction in pension benefit obligation			77	2	3
Reduction in the fair value of plan assets			77	2	3
Pension benefit obligations settlement loss			5			5
Benefit obligations that are not required to be funded	263			263
Projected contributions to be made to the defined benefit pension plans	14
Foreign Postretirement Benefit Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Estimated net actuarial gain loss for defined benefit plans to be amortized next year				1
Prior service cost, plan amendment
Reduction in pension benefit obligation
Reduction in the fair value of plan assets
Benefit obligations that are not required to be funded	$ 112			$ 112