Commitments and Contingencies - Additional Information (Detail) In Millions, except Share data, unless otherwise specified	1 Months Ended			9 Months Ended		12 Months Ended
	May 25, 2010 EUR (€)	Mar. 31, 2007 USD ($)	Feb. 28, 2002 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2013 EUR (€)	Dec. 31, 2002 USD ($)	Dec. 31, 2012 USD ($)	Sep. 19, 2008 Trust	Dec. 05, 2002 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Settlement agreement pre-tax charge						$ 850
Charge covering a cash payment that will be required to make under Settlement agreement upon the effectiveness of an appropriate plan of reorganization						513
Percentage of annual interest that accrues on Settlement agreement charges from December 21, 2002 to the date of payment						5.50%
Accrued interest compounded annually included in Settlement agreement and related accrued interest				400			364
Non - cash charges at fair value market						322
Original number of shares expect to be issued under Settlement agreement		9,000,000
Adjustment of company's common stock that is charged and expected to be issued under settlement agreement		To eighteen million shares due to our two-for-one stock split in March 2007
Original number of shares expected to be issued under Settlement agreement, adjusted		18,000,000
Amount per common share pre-split									$ 35.72
Amount per common share post-split									$ 17.86
Par value of common stock reserved for issuance related to the Settlement agreement		0.9				0.9
Excess of the aggregate fair value market over aggregated par value of common shares						321
Legal and related fees related to Settlement agreement						16
Establishment of asbestos trust under Section 524(g)								2
Voting Declaration with respect to the PI Settlement Plan				According to the Voting Declaration, with respect to each class of claims designated as impaired by Grace, the PI Settlement Plan was approved by holders of at least two-thirds in amount and more than one-half in number (or for classes voting for purposes of Section 524(g) of the Bankruptcy Code, at least 75% in number) of voted claims	According to the Voting Declaration, with respect to each class of claims designated as impaired by Grace, the PI Settlement Plan was approved by holders of at least two-thirds in amount and more than one-half in number (or for classes voting for purposes of Section 524(g) of the Bankruptcy Code, at least 75% in number) of voted claims
Minimum percentage of holders required to approve PI settlement under bankruptcy code				75.00%	75.00%
Charges accrued for potential liabilities			172
Repayment of grant monies paid	€ 5.1			$ 13.0	€ 10.1