Stockholders' Equity and Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017	Dec. 31, 2017
Stockholders' Equity and Accumulated Other Comprehensive Loss
Stock repurchase programs, authorized amount	$ 100		$ 100
Common shares repurchased	0		0
Changes in the components of other comprehensive loss (OCL), net of related taxes
Foreign currency translation adjustment	$ (17)	$ 1	$ (27)	$ (1)
Unrealized gain (loss) on investments		2		3
Unrecognized pension cost	(3)	1	(2)	2
Other comprehensive income (loss), net of tax	(20)	4	(29)	4
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss	(390)		(390)		$ (354)
Maximum
Components of accumulated other comprehensive loss, net of related taxes
Tax expense (benefit) recorded on foreign currency translation adjustments			1
Denominated in Argentine pesos | Sugar
Components of accumulated other comprehensive loss, net of related taxes
Other comprehensive loss recognized related to devaluation of foreign currency	18		29
Certain subsidiaries
Components of accumulated other comprehensive loss, net of related taxes
Cumulative foreign currency translation adjustment, net of related taxes		89		89
Unrecognized pension cost related to employees at certain subsidiaries	22	$ 19	22	19
Tax benefit recorded on unrecognized pension cost			0	$ 0
Foreign currency translation adjustment
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss	(324)		(324)		(297)
Unrealized gain on investments
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss					7
Unrecognized pension cost
Components of accumulated other comprehensive loss, net of related taxes
Accumulated other comprehensive loss	$ (66)		$ (66)		$ (64)
Effective income tax rate (as a percent)			26.00%	39.00%
Cumulative foreign currency translation adjustment
Components of accumulated other comprehensive loss, net of related taxes
Effective income tax rate (as a percent)				35.00%