Contingencies (Details) (OI Inc., USD $)	1 Months Ended	6 Months Ended	12 Months Ended
	Mar. 31, 2011 litigant	Jun. 30, 2012 litigant claim	Dec. 31, 2011	Dec. 31, 1993
Percentage of asbestos plaintiffs
Sale of goods containing asbestos from 1948 to 1958		$ 40,000,000
Approximate plaintiffs and claimants (in number of litigants)		4,700
Approximate number of claims likely to be asserted in the future		350
Approximate number of claims disposed of to date		388,000
Average indemnity payment per claim		8,200
Deferred amounts payable		34,000,000	18,000,000
Asbestos-related liability, total amount accrued beginning in 1993 through 2011 before insurance recoveries			4,000,000,000	975,000,000
Total amount awarded by jury against defendants	90,000,000
Number of defendants	4
Compensatory damages assessed against defendants	10,000,000
Punitive damages assessed against the Company	40,000,000
Asbestos related charges			$ 165,000,000
Damages unspecified or sufficient to invoke jurisdictional minimum
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage			71.00%
Damages of $15 million or less
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage			27.00%
Damages greater than $15 million but less than $100 million
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, approximate percentage			2.00%
Damages of $100 million or greater but less than $122 million
Percentage of asbestos plaintiffs
Percentage of asbestos plaintiffs, fewer than percentage			1.00%