Cash Flow Information	9 Months Ended
Cash Flow Information	Sep. 30, 2012
Supplemental Cash Flow Information [Abstract]
Cash Flow Information	Cash Flow Information Cash payments for interest were $178 million and $177 million for the nine months ended September 30, 2012 and 2011, respectively. Cash payments for income taxes for the nine months ended September 30, 2012 and 2011 were $367 million and $276 million, respectively. In April 2011, the Company received $168 million from Pittsburgh Glass Works LLC (“PGW”), PPG’s former automotive glass and services business. The $168 million was comprised of the repayment of $90 million of notes receivable from PGW and a $78 million return of capital.

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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