Consolidating Guarantor Financial Information (Schedule of Consolidating Statement of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	$ 447	$ 541	[1]
Net cash provided by (used in) operating activities	608	661
Investing activities
Capital expenditures on property, plant and equipment	(259)	(270)
Acquisitions, net of cash acquired	0	(23)
Proceeds from sale of businesses and assets, net	13	1
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	(6)	(43)
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	0	0
Other, net	(38)	(62)
Net cash provided by (used in) investing activities	(290)	(397)
Financing activities
Short-term borrowings (repayments), net	(12)	(7)
Proceeds from short-term borrowings	154	50
Repayments of short-term borrowings	(51)	(50)
Proceeds from long-term debt	74	0
Repayments of long-term debt	(192)	(32)
Refinancing costs	(2)	0
Purchases of treasury stock, including related fees	(102)	(37)
Dividends to parent	0	0
Contributions from parent	0	0
Stock option exercises	3	58
Series A common stock dividends	(55)	(31)
Return of capital to parent	0	0
Other, net	0	28
Net cash provided by (used in) financing activities	(183)	(21)
Exchange rate effects on cash and cash equivalents	6	3
Net increase (decrease) in cash and cash equivalents	141	246
Cash and cash equivalents as of beginning of period	959	682
Cash and cash equivalents as of end of period	1,100	928
Parent Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	447	541	[1]
Net cash provided by (used in) operating activities	144	7
Investing activities
Capital expenditures on property, plant and equipment	0	0
Acquisitions, net of cash acquired	0	0
Proceeds from sale of businesses and assets, net	0	0
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	0	0
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	0	0
Other, net	0	0
Net cash provided by (used in) investing activities	0	0
Financing activities
Short-term borrowings (repayments), net	0	0
Proceeds from short-term borrowings	0	0
Repayments of short-term borrowings	0	0
Proceeds from long-term debt	0	0
Repayments of long-term debt	0	0
Refinancing costs	0	0
Purchases of treasury stock, including related fees	(102)	(37)
Dividends to parent	0	0
Contributions from parent	0	0
Stock option exercises	3	58
Series A common stock dividends	(55)	(31)
Return of capital to parent	0	0
Other, net	0	29
Net cash provided by (used in) financing activities	(154)	19
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	(10)	26
Cash and cash equivalents as of beginning of period	10	0
Cash and cash equivalents as of end of period	0	26
Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	443	539	[1]
Net cash provided by (used in) operating activities	58	(54)
Investing activities
Capital expenditures on property, plant and equipment	0	0
Acquisitions, net of cash acquired	0	0
Proceeds from sale of businesses and assets, net	0	0
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	0	0
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	4	4
Other, net	0	0
Net cash provided by (used in) investing activities	4	4
Financing activities
Short-term borrowings (repayments), net	92	96
Proceeds from short-term borrowings	0	0
Repayments of short-term borrowings	0	0
Proceeds from long-term debt	24	0
Repayments of long-term debt	(32)	(11)
Refinancing costs	(2)	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	(144)	(35)
Contributions from parent	0	0
Stock option exercises	0	0
Series A common stock dividends	0	0
Return of capital to parent	0	0
Other, net	0	0
Net cash provided by (used in) financing activities	(62)	50
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents as of beginning of period	0	0
Cash and cash equivalents as of end of period	0	0
Subsidiary Guarantors [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	511	529	[1]
Net cash provided by (used in) operating activities	650	396
Investing activities
Capital expenditures on property, plant and equipment	(172)	(132)
Acquisitions, net of cash acquired	0	(23)
Proceeds from sale of businesses and assets, net	0	1
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	0	0
Return of capital from subsidiary	0	0
Contributions to subsidiary	(20)	(3)
Intercompany loan receipts (disbursements)	(92)	(96)
Other, net	(26)	(9)
Net cash provided by (used in) investing activities	(310)	(262)
Financing activities
Short-term borrowings (repayments), net	(4)	(2)
Proceeds from short-term borrowings	0	0
Repayments of short-term borrowings	0	0
Proceeds from long-term debt	50	0
Repayments of long-term debt	(119)	(5)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	(144)	(35)
Contributions from parent	0	0
Stock option exercises	0	0
Series A common stock dividends	0	0
Return of capital to parent	0	0
Other, net	0	0
Net cash provided by (used in) financing activities	(217)	(42)
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	123	92
Cash and cash equivalents as of beginning of period	275	133
Cash and cash equivalents as of end of period	398	225
Non-Guarantors [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	110	175	[1]
Net cash provided by (used in) operating activities	44	382
Investing activities
Capital expenditures on property, plant and equipment	(87)	(138)
Acquisitions, net of cash acquired	0	0
Proceeds from sale of businesses and assets, net	13	0
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	(6)	(43)
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	0	0
Other, net	(12)	(53)
Net cash provided by (used in) investing activities	(92)	(234)
Financing activities
Short-term borrowings (repayments), net	(8)	(9)
Proceeds from short-term borrowings	154	50
Repayments of short-term borrowings	(51)	(50)
Proceeds from long-term debt	0	0
Repayments of long-term debt	(45)	(16)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	0	0
Contributions from parent	20	3
Stock option exercises	0	0
Series A common stock dividends	0	0
Return of capital to parent	0	0
Other, net	0	(1)
Net cash provided by (used in) financing activities	70	(23)
Exchange rate effects on cash and cash equivalents	6	3
Net increase (decrease) in cash and cash equivalents	28	128
Cash and cash equivalents as of beginning of period	674	549
Cash and cash equivalents as of end of period	702	677
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	(1,064)	(1,243)	[1]
Net cash provided by (used in) operating activities	(288)	(70)
Investing activities
Capital expenditures on property, plant and equipment	0	0
Acquisitions, net of cash acquired	0	0
Proceeds from sale of businesses and assets, net	0	0
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	0	0
Return of capital from subsidiary	0	0
Contributions to subsidiary	20	3
Intercompany loan receipts (disbursements)	88	92
Other, net	0	0
Net cash provided by (used in) investing activities	108	95
Financing activities
Short-term borrowings (repayments), net	(92)	(92)
Proceeds from short-term borrowings	0	0
Repayments of short-term borrowings	0	0
Proceeds from long-term debt	0	0
Repayments of long-term debt	4	0
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	288	70
Contributions from parent	(20)	(3)
Stock option exercises	0	0
Series A common stock dividends	0	0
Return of capital to parent	0	0
Other, net	0	0
Net cash provided by (used in) financing activities	180	(25)
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents as of beginning of period	0	0
Cash and cash equivalents as of end of period	$ 0	$ 0

[1] As Adjusted (Note 1)