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Investments - Schedule of Investments (Detail) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Equity Method Private Equity and Other Investments [Abstract] |  |  |
Equity method investments | [1] | $ 677 | $ 1,107
Private equity investments | [2] | 267 | 95
Other |  | 3 | 8
Investments |  | $ 947 | $ 1,210
[1] | The ownership percentages and carrying values of the Company’s principal equity method investments at December 31 were as follows [in millions, except percentages]: 2020 2019 Litens Automotive Partnership [i] 76.7 % $ 273 $ 212 Getrag (Jiangxi) Transmission Co., Ltd [ii] 66.7 % $ — $ 540 Getrag Ford Transmission GmbH [iii] 50.0 % $ 122 $ 100 Hubei HAPM MAGNA Seating Systems Co., Ltd. 49.9 % $ 121 $ 113 [i] The Company accounts for its investments under the equity method of accounting as a result of significant participating rights that prevent control. [ii] The Company’s 66.7% ownership of GJT is held by Getrag Asia Pacific GmbH & Co. KG [“GAP”] a subsidiary owned 50% by the Company and 50% by GFT. During 2020, the governing documents related to GJT were revised to extend the term of the venture and provide the Company with a controlling financial interest. As a result, the Company began consolidating GJT on December 29, 2020, the effective date of the new agreement [note 5]. [iii] On December 22, 2020, the Company entered into multiple agreements with Ford to operate certain businesses within GFT under separate ownership. The Company will acquire GFT’s interest in GJT, a facility in Europe and net cash of approximately $160 million [EUR 140 million]. The transaction closed on March 1, 2021 and is subject to working capital adjustments as well as customary closing conditions. The Company does not expect the transaction to have a material impact on its financial position or results of operations.
[2] | Cumulative unrealized gains on equity securities still held at the reporting date was $65 million and $31 million as at December 31, 2020 and 2019, respectively.

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