Equity Method Investment	12 Months Ended
Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investment	Equity Method Investment As of December 31, 2020, the Company has two equity method investment. Zenuity On April 2, 2020, the Company entered into a non-binding agreement with VCC to separate Zenuity, a 50% ownership joint venture with VCC in order for each company to more effectively drive their respective strategies. The parties entered into definitive agreements and effected the separation on July 1, 2020. On July 1, 2020, the Company finalized the split of Zenuity. As part of the transaction the Company paid approximately $37 million to Zenuity for 200 software engineers and two business units located in Germany and the US. Veoneer acquired the right to use Zenuity's intellectual property for a total consideration of SEK 1,067 million (approximately $114 million) payable in ten annual installment payments, with the first payment due on July 1, 2021. As the transaction resulted in all of the business of Zenuity being transferred to one of its two owners, the Company determined that the remaining value of that equity investment was equal only to the expected future dividends to be received. This resulted in an impairment charge of approximately $24 million which was recorded within Gain on divestiture and assets impairment charges, net on the Consolidated Statements of Operations for the period ended December 31, 2020. As the transaction was between the investor and investee, the Company did not recognize any gain from the transaction. Following completion of the transaction, Veoneer and VCC continue to own 50% each of Zenuity AB. The joint venture was not dissolved as part of the transaction but continues as a holding company that owns the IP of Zenuity. During the year ended December 31, 2020, the Company received dividend of SEK 327 million (approximately $35 million) in cash (representing 50% of the total dividend, with the remainder received by VCC) from Zenuity. During the year ended December 31, 2020, prior to the transfer of Zenuity’s business to its two owners, Veoneer contributed SEK 240 million (approximately $25 million) in cash (representing 50% of the total contribution, with the remainder made by VCC) into Zenuity to support its future operating cash flow needs. During the year ended December 31, 2019, Veoneer contributed SEK 550 million (approximately $58 million) in cash (representing 50% of the total contribution, with the remainder made by Volvo Cars) into Zenuity to support its future operating cash flow needs. During the year ended December 31, 2018, Veoneer contributed SEK 600 million (approximately $71 million) in cash (representing 50% of the total contribution, with the remainder made by Volvo Cars) into Zenuity to support its future operating cash flow needs. The profit and loss attributed to the investment is shown in Loss from equity method investment in the Consolidated Statements of Operations. Veoneer’s share of Zenuity’s loss for the years ended December 31, 2020, 2019 and 2018 was $39 million, $70 million and $63 million, respectively. AutoTechFund I, L.P The Company has investments interest with Autotech Fund I, L.P of less than 20% which is accounted for under the equity method as the Company’s beneficial ownership interest in Autotech Fund I, L.P is similar to partnership interest. On June 30, 2017, Veoneer committed to make a $15 million investment in Autotech Fund I, L.P. pursuant to a limited partnership agreement, and as a limited partner, will periodically make capital contributions toward this total commitment amount. As of December 31, 2020 and 2019, Veoneer has contributed a total of $12 million and $10 million, respectively, to the fund. As of December 31, 2020 the Company has received a distribution of $3 million from the fund. The carrying amounts reflected in the Consolidated Balance Sheet in equity method for the AutoTech Fund I, L.P approximates its fair value as of September 30, 2020 as this is the most recent information available to the Company at this time. As of December 31, 2020 and 2019, the Company’s equity investment in Zenuity and AutoTech amounted to $153 million and $96 million, respectively, after consideration of foreign exchange movements.

On April 2, 2020, the Company entered into a non-binding agreement with VCC to separate Zenuity, a 50% ownership joint venture with VCC in order for each company to more effectively drive their respective strategies. The parties entered into definitive agreements and effected the separation on July 1, 2020.

On July 1, 2020, the Company finalized the split of Zenuity. As part of the transaction the Company paid approximately $37 million to Zenuity for 200 software engineers and two business units located in Germany and the US. Veoneer acquired the right to use Zenuity's intellectual property for a total consideration of SEK 1,067 million (approximately $114 million) payable in ten annual installment payments, with the first payment due on July 1, 2021.

As the transaction resulted in all of the business of Zenuity being transferred to one of its two owners, the Company determined that the remaining value of that equity investment was equal only to the expected future dividends to be received. This resulted in an impairment charge of approximately $24 million which was recorded within Gain on divestiture and assets impairment charges, net on the Consolidated Statements of Operations for the period ended December 31, 2020.

As the transaction was between the investor and investee, the Company did not recognize any gain from the transaction.

Following completion of the transaction, Veoneer and VCC continue to own 50% each of Zenuity AB. The joint venture was not dissolved as part of the transaction but continues as a holding company that owns the IP of Zenuity.

During the year ended December 31, 2020, the Company received dividend of SEK 327 million (approximately $35 million) in cash (representing 50% of the total dividend, with the remainder received by VCC) from Zenuity.

During the year ended December 31, 2020, prior to the transfer of Zenuity’s business to its two owners, Veoneer contributed SEK 240 million (approximately $25 million) in cash (representing 50% of the total contribution, with the remainder made by VCC) into Zenuity to support its future operating cash flow needs.

During the year ended December 31, 2019, Veoneer contributed SEK 550 million (approximately $58 million) in cash (representing 50% of the total contribution, with the remainder made by Volvo Cars) into Zenuity to support its future operating cash flow needs.

During the year ended December 31, 2018, Veoneer contributed SEK 600 million (approximately $71 million) in cash (representing 50% of the total contribution, with the remainder made by Volvo Cars) into Zenuity to support its future operating cash flow needs.

The profit and loss attributed to the investment is shown in Loss from equity method investment in the Consolidated Statements of Operations. Veoneer’s share of Zenuity’s loss for the years ended December 31, 2020, 2019 and 2018 was $39 million, $70 million and $63 million, respectively.

The Company has investments interest with Autotech Fund I, L.P of less than 20% which is accounted for under the equity method as the Company’s beneficial ownership interest in Autotech Fund I, L.P is similar to partnership interest.

On June 30, 2017, Veoneer committed to make a $15 million investment in Autotech Fund I, L.P. pursuant to a limited partnership agreement, and as a limited partner, will periodically make capital contributions toward this total commitment amount. As of December 31, 2020 and 2019, Veoneer has contributed a total of $12 million and $10 million, respectively, to the fund. As of December 31, 2020 the Company has received a distribution of $3 million from the fund.

The carrying amounts reflected in the Consolidated Balance Sheet in equity method for the AutoTech Fund I, L.P approximates its fair value as of September 30, 2020 as this is the most recent information available to the Company at this time.

As of December 31, 2020 and 2019, the Company’s equity investment in Zenuity and AutoTech amounted to $153 million and $96 million, respectively, after consideration of foreign exchange movements.