White Wave Spin-Off Transaction and Disposition of Remaining Ownership of White Wave Common Stock (Detail) (USD $)	12 Months Ended			0 Months Ended		1 Months Ended		3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 31, 2012	Jul. 25, 2013	Jul. 25, 2013	May 23, 2013	Sep. 30, 2013
Initial Public Offering [Line Items]
Spin-Off of The WhiteWave Foods Company		$ (699,026,000)
Income (loss) from continuing operations	0	415,783,000	0
WhiteWave Foods
Initial Public Offering [Line Items]
Increase in equity portion attributable to noncontrolling interest				98,100,000
Increase in additional paid in capital				265,000,000
Reduction in accumulated other comprehensive loss				(4,500,000)
Percentage of share owned				98.50%
Economic Interest of outstanding shares				86.70%
WhiteWave Foods | Common Class A
Initial Public Offering [Line Items]
Common stock sold				23,000,000
Common stock at a price				$ 17
Economic Interest of outstanding shares							19.90%
Number of common shares distributed as dividend							47,686,000
Number of shares distributed per share							0.25544448
Common stock shares outstanding to be retained							34,400,000
Number of share for public offering					34,400,000.0	34,400,000.0
Number of share for public offering price per share					$ 17.75	$ 17.75
Cash proceeds from debt-for-equity exchange								589,200,000
Income (loss) from continuing operations		415,800,000						415,800,000
Unrealized holding gains								385,600,000
WhiteWave Foods | Common Class B
Initial Public Offering [Line Items]
Number of common shares distributed as dividend							67,914,000
Number of shares distributed per share							0.36380189
Additional Paid-in Capital
Initial Public Offering [Line Items]
Spin-Off of The WhiteWave Foods Company		(617,082,000)
Additional Paid-in Capital | WhiteWave Foods | Common Class A
Initial Public Offering [Line Items]
Spin-Off of The WhiteWave Foods Company							617,100,000