Consolidating Guarantor Financial Information (Schedule of Consolidating Statement of Cash Flows) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	$ 275	$ 414	[1]
Net cash provided by (used in) operating activities	376	402
Investing activities
Capital expenditures on property, plant and equipment	(149)	(183)
Acquisitions, net of cash acquired	0	(23)
Proceeds from sale of businesses and assets, net	12	1
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	(6)	(35)
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	0	0
Other, net	(34)	(43)
Net cash provided by (used in) investing activities	(177)	(283)
Financing activities
Short-term borrowings (repayments), net	(11)	(14)
Proceeds from short-term borrowings	27	24
Repayments of short-term borrowings	(24)	(24)
Proceeds from long-term debt	50	0
Repayments of long-term debt	(62)	(19)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	(6)	(28)
Dividends to parent	0	0
Contributions from parent	0	0
Stock option exercises	3	55
Series A common stock dividends	(26)	(19)
Return of capital to parent	0	0
Other, net	0	29
Net cash provided by (used in) financing activities	(49)	4
Exchange rate effects on cash and cash equivalents	(2)	(5)
Net increase (decrease) in cash and cash equivalents	148	118
Cash and cash equivalents as of beginning of period	959	682
Cash and cash equivalents as of end of period	1,107	800
Parent Guarantor [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	275	414	[1]
Net cash provided by (used in) operating activities	19	6
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	(6)	(28)
Dividends to parent	0	0
Contributions from parent	0	0
Stock option exercises	3	55
Series A common stock dividends	(26)	(19)
Return of capital to parent	0	0
Other, net	0	29
Net cash provided by (used in) financing activities	(29)	37
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	(10)	43
Cash and cash equivalents as of beginning of period	10	0
Cash and cash equivalents as of end of period	0	43
Issuer [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	271	413	[1]
Net cash provided by (used in) operating activities	(42)	(38)
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)	3	3
Other, net	0	0
Net cash provided by (used in) investing activities	3	3
Financing activities
Short-term borrowings (repayments), net	64	77
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	(5)	(7)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	(20)	(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	39	35
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)	335	384	[1]
Net cash provided by (used in) operating activities	292	248
Investing activities
Capital expenditures on property, plant and equipment	(87)	(93)
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	0	(3)
Intercompany loan receipts (disbursements)	(64)	(77)
Other, net	(25)	(9)
Net cash provided by (used in) investing activities	(176)	(204)
Financing activities
Short-term borrowings (repayments), net	(2)	(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	(18)	(1)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	(20)	(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	10	(38)
Exchange rate effects on cash and cash equivalents	0	0
Net increase (decrease) in cash and cash equivalents	126	6
Cash and cash equivalents as of beginning of period	275	133
Cash and cash equivalents as of end of period	401	139
Non-Guarantors [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	62	144	[1]
Net cash provided by (used in) operating activities	147	256
Investing activities
Capital expenditures on property, plant and equipment	(62)	(90)
Acquisitions, net of cash acquired	0	0
Proceeds from sale of businesses and assets, net	12	0
Deferred proceeds from Kelsterbach plant relocation	0	0
Capital expenditures related to Kelsterbach plant relocation	(6)	(35)
Return of capital from subsidiary	0	0
Contributions to subsidiary	0	0
Intercompany loan receipts (disbursements)	0	0
Other, net	(9)	(34)
Net cash provided by (used in) investing activities	(65)	(159)
Financing activities
Short-term borrowings (repayments), net	(9)	(15)
Proceeds from short-term borrowings	27	24
Repayments of short-term borrowings	(24)	(24)
Proceeds from long-term debt	0	0
Repayments of long-term debt	(42)	(11)
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	0	0
Contributions from parent	0	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	(48)	(23)
Exchange rate effects on cash and cash equivalents	(2)	(5)
Net increase (decrease) in cash and cash equivalents	32	69
Cash and cash equivalents as of beginning of period	674	549
Cash and cash equivalents as of end of period	706	618
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net earnings (loss)	(668)	(941)	[1]
Net cash provided by (used in) operating activities	(40)	(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	0	3
Intercompany loan receipts (disbursements)	61	74
Other, net	0	0
Net cash provided by (used in) investing activities	61	77
Financing activities
Short-term borrowings (repayments), net	(64)	(74)
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	3	0
Refinancing costs	0	0
Purchases of treasury stock, including related fees	0	0
Dividends to parent	40	70
Contributions from parent	0	(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	(21)	(7)
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)