SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)	9 Months Ended
Feb. 23, 2020
Accounting Policies [Abstract]
Basis of Consolidation	Basis of Consolidation — The Condensed Consolidated Financial Statements include the accounts of Conagra Brands and all majority-owned subsidiaries. All significant intercompany investments, accounts, and transactions have been eliminated.
Revenue Recognition	Revenue Recognition — Our revenues primarily consist of the sale of food products which are sold to retailers and foodservice customers through direct sales forces, broker, and distributor arrangements. These revenue contracts generally have single performance obligations. Revenue, which includes shipping and handling charges billed to the customer, is reported net of variable consideration and consideration payable to our customers, including applicable discounts, returns, allowances, trade promotion, consumer coupon redemption, unsaleable product, and other costs. Amounts billed and due from our customers are classified as receivables and require payment on a short-term basis and, therefore, we do not have any significant financing components. We recognize revenue when (or as) performance obligations are satisfied by transferring control of the goods to customers. Control is transferred upon delivery of the goods to the customer. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. We assess the goods and services promised in our customers' purchase orders and identify a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct. We offer various forms of trade promotions and the methodologies for determining these provisions are dependent on local customer pricing and promotional practices, which range from contractually fixed percentage price reductions to provisions based on actual occurrence or performance. Our promotional activities are conducted either through the retail trade or directly with consumers and include activities such as in-store displays and events, feature price discounts, consumer coupons, and loyalty programs. The costs of these activities are recognized at the time the related revenue is recorded, which normally precedes the actual cash expenditure. The recognition of these costs therefore requires management judgment regarding the volume of promotional offers that will be redeemed by either the retail trade or consumer. These estimates are made using various techniques including historical data on performance of similar promotional programs. Differences between estimated expense and actual redemptions are recognized as a change in management estimate in a subsequent period.
Comprehensive Income	Comprehensive Income — Comprehensive income includes net income, currency translation adjustments, certain derivative-related activity, and changes in prior service cost and net actuarial gains (losses) from pension (for amounts not in excess of the 10% corridor) and post-retirement health care plans. For foreign investments we deem to be essentially permanent in nature, we do not provide for taxes on currency translation adjustments arising from converting an investment denominated in a foreign currency to U.S. dollars. When we determine that a foreign investment, as well as undistributed earnings, are no longer permanent in nature, estimated taxes will be provided for the related deferred tax liability (asset), if any, resulting from currency translation adjustments.
Cash and cash equivalents	Cash and cash equivalents — Cash and all highly liquid investments with an original maturity of three months or less at the date of acquisition, including short-term time deposits and government agency and corporate obligations, are classified as cash and cash equivalents.
Reclassifications and other changes	Reclassifications and other changes — Certain prior year amounts have been reclassified to conform with current year presentation.
Use of Estimates	Use of Estimates — Preparation of financial statements in conformity with U.S. generally accepted accounting principles ("U.S. GAAP") requires management to make certain estimates and assumptions. These estimates and assumptions affect reported amounts of assets, liabilities, revenues, and expenses as reflected in the Condensed Consolidated Financial Statements. Actual results could differ from these estimates.
Accounting Changes and Recently Issued Accounting Standards	Accounting Changes — In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2016-02, Leases, Topic 842, which requires lessees to reflect most leases on their balance sheet as assets and obligations. We adopted this ASU in the first quarter of fiscal 2020 using the optional transition method provided under ASU 2018-11, Leases, Topic 842: Targeted Improvement, issued in July 2018, allowing for application of the standard at adoption date, with recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. We also elected certain practical expedients permitted under the transition guidance, including not reassessing whether existing contracts contain leases and carrying forward the historical classification of leases. The most significant impact of adoption on our Condensed Consolidated Financial Statements was the recognition of right-of-use ("ROU") assets and lease liabilities for operating leases. Our accounting for finance leases remained substantially unchanged. Upon adoption, we had total lease assets of $238.4 million and total lease liabilities of $267.0 million. The difference is primarily due to prepaid and deferred rent balances that were reclassified to the ROU asset value. The adoption of this ASU did not result in a cumulative-effect adjustment to the opening balance of retained earnings and did not impact our Condensed Consolidated Statements of Earnings or our Condensed Consolidated Statements of Cash Flows. See Note 12 for additional information related to our lease arrangements. In August 2018, the FASB issued ASU 2018-15, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The effective date for the standard is for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. We elected to early adopt this ASU in fiscal 2020. The adoption of this guidance did not have a material impact to our consolidated financial statements and related disclosures. In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which removes certain exceptions to the general principles of ASC 740 as part of an overall simplification initiative. The effective date for the standard is for fiscal years beginning after December 15, 2020 and interim periods within those fiscal years. We elected to early adopt this ASU in fiscal 2020. The adoption of this guidance did not have a material impact to our consolidated financial statements and related disclosures. Recently Issued Accounting Standards — In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ("ASU 2016-13"), to update the methodology used to measure current expected credit losses ("CECL"). This ASU applies to financial assets measured at amortized cost, including loans, held-to-maturity debt securities, net investments in leases, and trade accounts receivable as well as certain off-balance sheet credit exposures, such as loan commitments. This ASU replaces the current incurred loss impairment methodology with a methodology to reflect CECL and requires consideration of a broader range of reasonable and supportable information to explain credit loss estimates. The guidance must be adopted using a modified retrospective transition method through a cumulative-effect adjustment to retained earnings in the period of adoption. The effective date for the standard is for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. Early adoption is permitted. We do not expect ASU 2016-13 to have a material impact to our consolidated financial statements and related disclosures.

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

9 Months Ended

Feb. 23, 2020

Basis of Consolidation — The Condensed Consolidated Financial Statements include the accounts of Conagra Brands and all majority-owned subsidiaries. All significant intercompany investments, accounts, and transactions have been eliminated.

Revenue Recognition

Revenue Recognition — Our revenues primarily consist of the sale of food products which are sold to retailers and foodservice customers through direct sales forces, broker, and distributor arrangements. These revenue contracts generally have single performance obligations. Revenue, which includes shipping and handling charges billed to the customer, is reported net of variable consideration and consideration payable to our customers, including applicable discounts, returns, allowances, trade promotion, consumer coupon redemption, unsaleable product, and other costs. Amounts billed and due from our customers are classified as receivables and require payment on a short-term basis and, therefore, we do not have any significant financing components.

We recognize revenue when (or as) performance obligations are satisfied by transferring control of the goods to customers. Control is transferred upon delivery of the goods to the customer. Shipping and/or handling costs that occur before the customer obtains control of the goods are deemed to be fulfillment activities and are accounted for as fulfillment costs. We assess the goods and services promised in our customers' purchase orders and identify a performance obligation for each promise to transfer a good or service (or bundle of goods or services) that is distinct.

We offer various forms of trade promotions and the methodologies for determining these provisions are dependent on local customer pricing and promotional practices, which range from contractually fixed percentage price reductions to provisions based on actual occurrence or performance. Our promotional activities are conducted either through the retail trade or directly with consumers and include activities such as in-store displays and events, feature price discounts, consumer coupons, and loyalty programs. The costs of these activities are recognized at the time the related revenue is recorded, which normally precedes the actual cash expenditure. The recognition of these costs therefore requires management judgment regarding the volume of promotional offers that will be redeemed by either the retail trade or consumer. These estimates are made using various techniques including historical data on performance of similar promotional programs. Differences between estimated expense and actual redemptions are recognized as a change in management estimate in a subsequent period.

Comprehensive Income

Comprehensive Income — Comprehensive income includes net income, currency translation adjustments, certain derivative-related activity, and changes in prior service cost and net actuarial gains (losses) from pension (for amounts not in excess of the 10% corridor) and post-retirement health care plans. For foreign investments we deem to be essentially permanent in nature, we do not provide for taxes on currency translation adjustments arising from converting an investment denominated in a foreign currency to U.S. dollars. When we determine that a foreign investment, as well as undistributed earnings, are no longer permanent in nature, estimated taxes will be provided for the related deferred tax liability (asset), if any, resulting from currency translation adjustments.

Cash and cash equivalents

Cash and cash equivalents — Cash and all highly liquid investments with an original maturity of three months or less at the date of acquisition, including short-term time deposits and government agency and corporate obligations, are classified as cash and cash equivalents.

Reclassifications and other changes

Reclassifications and other changes — Certain prior year amounts have been reclassified to conform with current year presentation.

Use of Estimates

Use of Estimates — Preparation of financial statements in conformity with U.S. generally accepted accounting principles ("U.S. GAAP") requires management to make certain estimates and assumptions. These estimates and assumptions affect reported amounts of assets, liabilities, revenues, and expenses as reflected in the Condensed Consolidated Financial Statements. Actual results could differ from these estimates.

Accounting Changes and Recently Issued Accounting Standards

Accounting Changes — In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2016-02, Leases, Topic 842, which requires lessees to reflect most leases on their balance sheet as assets and obligations. We adopted this ASU in the first quarter of fiscal 2020 using the optional transition method provided under ASU 2018-11, Leases, Topic 842: Targeted Improvement, issued in July 2018, allowing for application of the standard at adoption date, with recognition of a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. We also elected certain practical expedients permitted under the transition guidance, including not reassessing whether existing contracts contain leases and carrying forward the historical classification of leases. The most significant impact of adoption on our Condensed Consolidated Financial Statements was the recognition of right-of-use ("ROU") assets and lease liabilities for operating leases. Our

accounting for finance leases remained substantially unchanged. Upon adoption, we had total lease assets of $238.4 million and total lease liabilities of $267.0 million. The difference is primarily due to prepaid and deferred rent balances that were reclassified to the ROU asset value. The adoption of this ASU did not result in a cumulative-effect adjustment to the opening balance of retained earnings and did not impact our Condensed Consolidated Statements of Earnings or our Condensed Consolidated Statements of Cash Flows. See Note 12 for additional information related to our lease arrangements.

In August 2018, the FASB issued ASU 2018-15, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The effective date for the standard is for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. We elected to early adopt this ASU in fiscal 2020. The adoption of this guidance did not have a material impact to our consolidated financial statements and related disclosures.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes, which removes certain exceptions to the general principles of ASC 740 as part of an overall simplification initiative. The effective date for the standard is for fiscal years beginning after December 15, 2020 and interim periods within those fiscal years. We elected to early adopt this ASU in fiscal 2020. The adoption of this guidance did not have a material impact to our consolidated financial statements and related disclosures.

Recently Issued Accounting Standards — In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments ("ASU 2016-13"), to update the methodology used to measure current expected credit losses ("CECL"). This ASU applies to financial assets measured at amortized cost, including loans, held-to-maturity debt securities, net investments in leases, and trade accounts receivable as well as certain off-balance sheet credit exposures, such as loan commitments. This ASU replaces the current incurred loss impairment methodology with a methodology to reflect CECL and requires consideration of a broader range of reasonable and supportable information to explain credit loss estimates. The guidance must be adopted using a modified retrospective transition method through a cumulative-effect adjustment to retained earnings in the period of adoption. The effective date for the standard is for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. Early adoption is permitted. We do not expect ASU 2016-13 to have a material impact to our consolidated financial statements and related disclosures.