Condensed Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash provided by operating activities:
Net income	$ 85.7us-gaap_ProfitLoss	$ 75.2us-gaap_ProfitLoss
Non-cash charges to net income:
Depreciation and amortization	47	48
Charge for fair value markup of acquired inventory	3.0
Other	18	22
Changes in working capital:
Accounts receivable and prepaid items	(28)	(8)
Inventories	(14)us-gaap_IncreaseDecreaseInInventories	(35)us-gaap_IncreaseDecreaseInInventories
Accounts payable and accrued liabilities	(40)	(12)
Decrease (increase) in margin accounts	(8)	32
Other	5	(1)
Cash provided by operating activities	69	121
Cash used for investing activities:
Payment for acquisition, net of cash acquired of $16	(332)
Capital expenditures, net of proceeds on disposals	(58)	(59)
Short-term investments	(3)
Cash used for investing activities	(393)	(59)
Cash provided by (used for) financing activities:
Proceeds from borrowings	435ingr_ProceedsFromBorrowings	12ingr_ProceedsFromBorrowings
Payments on debt	(38)ingr_PaymentsOnDebt	(46)ingr_PaymentsOnDebt
Repurchases of common stock, net of issuances	(21)	(1)
Dividends paid (including to non-controlling interests)	(32)us-gaap_PaymentsOfDividends	(33)us-gaap_PaymentsOfDividends
Excess tax benefit on share-based compensation	2
Cash provided by (used for) financing activities	346	(68)
Effect of foreign exchange rate changes on cash	(29)	(8)
Decrease in cash and cash equivalents	(7)	(14)
Cash and cash equivalents, beginning of period	580	574
Cash and cash equivalents, end of period	$ 573	$ 560

Amount of fair value markup of acquired inventory charged to costs during the period.

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The net change during the reporting period in the total amount due within one year (or one business cycle) from all parties associated with underlying transactions that are classified as operating activities, plus the net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.

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Total other non-cash charges (credits) included in net income that results in no cash inflows or outflows in the period.

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The cash outflows for short-term and long-term debt obligations.

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The cash outflow, net of proceeds on disposition, associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflows from short-term and long-term borrowings.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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The effect of exchange rate changes on cash balances in continuing operations held in foreign currencies.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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The increase (decrease) during the reporting period in money or securities placed with a broker or counterparty as security for a trading or derivative position.

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The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities).

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The cash outflow to reacquire common stock during the period.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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