Basis of Presentation	12 Months Ended
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The Company has one operating segment, the Electronics segment. The Company previously had two operating segments, Electronics and Brake Systems. Electronics includes all electronics resources and expertise, Restraint Control Systems and Active Safety products, and Brake Systems provided brake control and actuation systems. The Asian business of the Brake Systems segment was sold on February 3, 2020 and the majority of the Brake Systems business in North America was sold on August 10, 2020. The remaining Brake Systems business is no longer a reportable segment due to immateriality. Certain amounts in the consolidated financial statements and associated notes may not reconcile due to rounding. All percentages have been calculated using unrounded amounts. Equity and Debt Offerings On May 28, 2019, the Company completed equity and debt public offerings of 24,000,000 shares of common stock and $207 million aggregate principal amount of 4.00% Convertible Senior Notes due 2024 (the “Notes”) (including $27 million aggregate principal amount pursuant to the underwriters’ over-allotment option to purchase additional notes). The public offering price for our common stock offering was $17.50 per share. During 2019, the Company received net proceeds of $403 million from the common stock offering and $200 million from the Notes offering, in each case after deducting the underwriting discounts and issuance costs directly attributable to each offering. Joint Venture with Nissin-Kogyo Co. Ltd. (“Nissin Kogyo”) On June 14, 2019, the Company signed agreements with Nissin Kogyo, its joint venture partner in Veoneer Nissin Brake Systems ("VNBS"), providing for certain structural changes to the joint venture and the funding of VNBS. Pursuant to the agreements, Veoneer acquired Nissin Kogyo’s interests in the US operations of Veoneer Nissin Brake Systems ("VNBS"), referred to as Veoneer Brake Systems ("VBS"), and VNBS transferred or licensed the VNBS technologies necessary to operate the VBS business to VBS. VBS, including the transferred or licensed technologies, was a wholly-owned Veoneer business effective on the closing date, June 28, 2019. VNBS provided certain transition services to VBS. Under the agreement, Nissin Kogyo provided guarantees for certain VNBS commercial loans corresponding to 49% of the funding Veoneer had previously unilaterally provided to VNBS. During 2019, Veoneer received approximately $20 million as debt repayment from VNBS. Divestiture of Veoneer Nissin Brake Systems ("VNBS") On October 30, 2019, Veoneer signed definitive agreements to sell its 51% ownership in Veoneer Nissin Brake Japan ("VNBJ") and Veoneer Nissin Brake China ("VNBZ") entities that comprise VNBS to its joint venture partner Nissin Kogyo, and Honda Motor Co., Ltd. The aggregate sale price was $176 million. The divestiture of VNBJ and VNBZ was structured as two separate transactions each of which was completed on February 3, 2020, and the VNBS joint venture was terminated. See Note 6 "Divestiture and Held for Sale" for additional information. Divestiture of Veoneer Brake Systems ("VBS") On August 10, 2020, Veoneer signed a definitive agreement to sell the majority of the Brake Systems business in North America to ZF Active Safety US, Inc ("ZF"). The aggregate sale price was $1. In connection with the transaction, the Company received approximately $22 million from ZF for VBS operational cost reimbursement. See Note 6 "Divestiture and Held for Sale" for additional information. Pending Merger Agreement On October 4, 2021 Veoneer entered into a definitive agreement with SSW HoldCo LP ("SSW"), a Delaware limited partnership, SSW Merger Sub Corp, a Delaware corporation and a direct, wholly owned subsidiary of SSW ("Merger Sub"), and QUALCOMM Incorporated ("Qualcomm") providing for the acquisition of Veoneer. for $37.00 per share in an all-cash transaction, representing a total equity value for Veoneer of $4.5 billion. On October 5, 2021, Veoneer terminated the Agreement and Plan of Merger, dated July 23, 2021, by and among Veoneer, Magna International Inc., an Ontario corporation (“Magna”), and Delaware Corporation, a Delaware corporation, providing for the acquisition of Veoneer by Magna. At closing, SSW will acquire Veoneer by merger, shortly after which it is contemplated that SSW will sell Veoneer's dedicated software unit, referred to as the Arriver business to Qualcomm and retain Veoneer’s Tier-1 supplier businesses. SSW Partners will lead the process of finding strong, long-term strategic partners for the remainder of Veoneer’s business. The transaction has been approved by the board of directors of Veoneer and is subject to regulatory approvals including under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 in the United States, certain European foreign direct investment approvals, and other customary conditions. The transaction is expected to close during 2022. Due to the termination of Veoneer's acquisition agreement with Magna, Veoneer was obligated to pay Magna a termination fee of $110 million. In conjunction with the execution of the definitive agreement with SSW and Qualcomm providing for the acquisition of Veoneer, Qualcomm paid the termination fee directly to Magna on behalf of Veoneer on October 4, 2021. The Company recorded $18 million of merger related expenses in Other (expense)/ income, net in the Consolidated Statements of Operations, for the year ended December 31, 2021. During 2021 the Operating cash flow impact was negative $10 million. During 2021, the Company implemented an employee retention bonus program to retain certain employees. The current amount of the program is approximately $33 million which will be accrued ratably over the period the bonuses are earned. During the year approximately $11 million was accrued and included in the merger related expenses in Other (expense)/ income, net in the Consolidated Statements of Operations for the year ended December 31, 2021.

The Company has one operating segment, the Electronics segment. The Company previously had two operating segments, Electronics and Brake Systems. Electronics includes all electronics resources and expertise, Restraint Control Systems and Active Safety products, and Brake Systems provided brake control and actuation systems. The Asian business of the Brake Systems segment was sold on February 3, 2020 and the majority of the Brake Systems business in North America was sold on August 10, 2020. The remaining Brake Systems business is no longer a reportable segment due to immateriality.

Certain amounts in the consolidated financial statements and associated notes may not reconcile due to rounding. All percentages have been calculated using unrounded amounts.

On May 28, 2019, the Company completed equity and debt public offerings of 24,000,000 shares of common stock and $207 million aggregate principal amount of 4.00% Convertible Senior Notes due 2024 (the “Notes”) (including $27 million aggregate principal amount pursuant to the underwriters’ over-allotment option to purchase additional notes). The public offering price for our common stock offering was $17.50 per share. During 2019, the Company received net proceeds of $403 million from the common stock offering and $200 million from the Notes offering, in each case after deducting the underwriting discounts and issuance costs directly attributable to each offering.

On June 14, 2019, the Company signed agreements with Nissin Kogyo, its joint venture partner in Veoneer Nissin Brake Systems ("VNBS"), providing for certain structural changes to the joint venture and the funding of VNBS.

Pursuant to the agreements, Veoneer acquired Nissin Kogyo’s interests in the US operations of Veoneer Nissin Brake Systems ("VNBS"), referred to as Veoneer Brake Systems ("VBS"), and VNBS transferred or licensed the VNBS technologies necessary to operate the VBS business to VBS. VBS, including the transferred or licensed technologies, was a wholly-owned Veoneer business effective on the closing date, June 28, 2019. VNBS provided certain transition services to VBS.

Under the agreement, Nissin Kogyo provided guarantees for certain VNBS commercial loans corresponding to 49% of the funding Veoneer had previously unilaterally provided to VNBS. During 2019, Veoneer received approximately $20 million as debt repayment from VNBS.

On October 30, 2019, Veoneer signed definitive agreements to sell its 51% ownership in Veoneer Nissin Brake Japan ("VNBJ") and Veoneer Nissin Brake China ("VNBZ") entities that comprise VNBS to its joint venture partner Nissin Kogyo, and Honda Motor Co., Ltd. The aggregate sale price was $176 million. The divestiture of VNBJ and VNBZ was structured as two separate transactions each of which was completed on February 3, 2020, and the VNBS joint venture was terminated. See Note 6 "Divestiture and Held for Sale" for additional information.

On August 10, 2020, Veoneer signed a definitive agreement to sell the majority of the Brake Systems business in North America to ZF Active Safety US, Inc ("ZF"). The aggregate sale price was $1. In connection with the transaction, the Company received approximately $22 million from ZF for VBS operational cost reimbursement. See Note 6 "Divestiture and Held for Sale" for additional information.

On October 4, 2021 Veoneer entered into a definitive agreement with SSW HoldCo LP ("SSW"), a Delaware limited partnership, SSW Merger Sub Corp, a Delaware corporation and a direct, wholly owned subsidiary of SSW ("Merger Sub"), and QUALCOMM Incorporated ("Qualcomm") providing for the acquisition of Veoneer. for $37.00 per share in an all-cash transaction, representing a total equity value for Veoneer of $4.5 billion. On October 5, 2021, Veoneer terminated the Agreement and Plan of Merger, dated July 23, 2021, by and among Veoneer, Magna International Inc., an Ontario corporation (“Magna”), and Delaware Corporation, a Delaware corporation, providing for the acquisition of Veoneer by Magna.

At closing, SSW will acquire Veoneer by merger, shortly after which it is contemplated that SSW will sell Veoneer's dedicated software unit, referred to as the Arriver business to Qualcomm and retain Veoneer’s Tier-1 supplier businesses. SSW Partners will lead the process of finding strong, long-term strategic partners for the remainder of Veoneer’s business.

The transaction has been approved by the board of directors of Veoneer and is subject to regulatory approvals including under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 in the United States, certain European foreign direct investment approvals, and other customary conditions. The transaction is expected to close during 2022.

Due to the termination of Veoneer's acquisition agreement with Magna, Veoneer was obligated to pay Magna a termination fee of $110 million. In conjunction with the execution of the definitive agreement with SSW and Qualcomm providing for the acquisition of Veoneer, Qualcomm paid the termination fee directly to Magna on behalf of Veoneer on October 4, 2021.

The Company recorded $18 million of merger related expenses in Other (expense)/ income, net in the Consolidated Statements of Operations, for the year ended December 31, 2021. During 2021 the Operating cash flow impact was negative $10 million.

During 2021, the Company implemented an employee retention bonus program to retain certain employees. The current amount of the program is approximately $33 million which will be accrued ratably over the period the bonuses are earned. During the year approximately $11 million was accrued and included in the merger related expenses in Other (expense)/ income, net in the Consolidated Statements of Operations for the year ended December 31, 2021.