Common Stock, Number of Votes

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Common Stock, Voting Percentage

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Common Stock Voting Rights, Board Election Percentage

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- Definition

Common and Preferred Stock, Shares Authorized

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- Definition

Dividends, Common Stock, Cash, Additional Percentage Over Class B Common Stock Dividends

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.

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Number of shares that have been repurchased during the period and are being held in treasury.

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EQUITY AND NONCONTROLLING INTEREST - EQUITY AND NONCONTROLLING INTEREST NARRATIVE (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2020 vote $ / shares shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 shares
Class of Stock [Line Items]
Common and preferred shares authorized (shares)		1,055,000,000
Preferred stock, shares authorized (shares)		5,000,000
Preferred stock, par (USD per share) \| $ / shares		$ 1
Dividends, common stock, cash, additional percentage over Class B common stock dividends		10.00%
Retirement of treasury common stock \| $			$ 0
Common stock, shares, outstanding (shares)	209,728,904	208,227,127	208,829,433	209,728,904
Treasury Common Stock
Class of Stock [Line Items]
Retirement of treasury common stock \| $			$ 6,423,267,000
Retained Earnings
Class of Stock [Line Items]
Retirement of treasury common stock \| $			$ (6,284,919,000)
Noncontrolling Interests in Subsidiaries \| Lotte Shanghai Food Company
Class of Stock [Line Items]
Noncontrolling interest, ownership percentage by parent		50.00%
Common stock
Class of Stock [Line Items]
Common stock, shares authorized (shares)		900,000,000
Common stock, par (USD per share) \| $ / shares		$ 1
Common stock, voting rights (vote) \| vote		1
Retirement of treasury common stock (shares)		0	138,348,719	0
Treasury Stock, Shares, Acquired		951,138	1,386,193	1,406,093
Common Stock Voting Rights, Board Election Percentage		16.66%
Common stock \| Hershey Trust Company
Class of Stock [Line Items]
Common stock, shares, outstanding (shares)		123,600
Class B common stock
Class of Stock [Line Items]
Common stock, shares authorized (shares)		150,000,000
Common stock, voting rights (vote) \| vote		10
Conversion of stock		0	0	6,000
Class B common stock \| Hershey Trust Company
Class of Stock [Line Items]
Common stock, shares, outstanding (shares)		60,612,012
Common stock, voting percentage		80.00%
Treasury Common Stock
Class of Stock [Line Items]
Retirement of treasury common stock (shares)			138,348,719
Hershey Trust Company
Class of Stock [Line Items]
Treasury Stock, Shares, Acquired	450,000
Treasury Stock Acquired, Average Cost Per Share \| $ / shares	$ 106.30
Stock Repurchased During Period, Value \| $	$ 47,835,000