Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 1,336.9		$ 1,048.3
Restricted cash and cash equivalents	197.6		136.5
Trade accounts receivable, less allowance of $5.2 (2011—$8.1)	474.8		461.8
Accounts receivable-unconsolidated affiliate	15.6		11.2
Inventories	278.6		329.1
Deferred income taxes	58.3		66.5
Other current assets	78.4		93.0
Total Current Assets	2,440.2		2,146.4
Properties and equipment, net of accumulated depreciation and amortization of $1,785.1 (2011—$1,722.7)	770.5		723.5
Goodwill	196.7		148.2
Patents, licenses and other intangible assets, net	82.7		70.6
Deferred income taxes	956.3		759.4
Asbestos-related insurance	500.0		500.0
Overfunded defined benefit pension plans	33.8		37.1
Investment in unconsolidated affiliate	85.5		70.8
Other assets	24.5		38.0
Total Assets	5,090.2		4,494.0
Current Liabilities
Debt payable within one year	83.4	[1]	57.9	[1]
Debt payable-unconsolidated affiliate	3.6		3.4
Accounts payable	249.4		257.1
Accounts payable-unconsolidated affiliate	2.6		0.5
Other current liabilities	307.3		314.0
Total Current Liabilities	646.3		632.9
Debt payable after one year	13.4		3.3
Debt payable-unconsolidated affiliate	22.4		18.3
Deferred income taxes	27.1		19.8
Underfunded and unfunded defined benefit pension plans	400.6		407.4
Other liabilities	45.0		49.1
Total Liabilities Not Subject to Compromise	1,154.8		1,130.8
Liabilities Subject to Compromise-Note 2
Debt plus accrued interest	973.3		941.8
Income tax contingencies	87.6		69.3
Asbestos-related contingencies	2,065.0		1,700.0
Environmental contingencies	140.5		149.9
Postretirement benefits	188.1		185.2
Other liabilities and accrued interest	162.6		149.5
Total Liabilities Subject to Compromise	3,617.1		3,195.7
Total Liabilities	4,771.9		4,326.5
Commitments and Contingencies-Note 12
Equity
Common stock issued, par value $0.01; 300,000,000 shares authorized; outstanding: 75,565,409 (2011—73,886,050)	0.8		0.7
Paid-in capital	536.5		472.9
Retained earnings	395.2		301.1
Treasury stock, at cost: shares: 1,414,351 (2011—3,093,710)	(16.8)		(36.8)
Accumulated other comprehensive loss	(607.3)		(578.5)
Total W. R. Grace & Co. Shareholders' Equity	308.4		159.4
Noncontrolling interests	9.9		8.1
Total Equity	318.3		167.5
Total Liabilities and Equity	$ 5,090.2		$ 4,494.0

[1] Represents borrowings under various lines of credit and other borrowings, primarily by non-U.S. subsidiaries. At December 31, 2012, the fair value of Grace's debt payable within one year not subject to compromise approximated the recorded value of $83.4 million.