Business combination - Narratives (Details) - USD ($) $ in Millions		12 Months Ended
Jul. 01, 2020	Dec. 31, 2020
Business combination
Purchase consideration net of estimated cash at closing		$ 120
Remeasurement gain on acquisition		85
Other (income) expense
Business combination
Remeasurement gain on acquisition		85
2027 Notes
Business combination
Long-term Debt, Gross	$ 150	150
Vricon
Business combination
Remaining ownership interest acquired	50.00%
Purchase consideration	$ 143
Cash on hand	23
Purchase consideration net of estimated cash at closing	120
Cash settlement of equity awards	26
Call option purchase price	$ 117
Vricon \| Other (income) expense
Business combination
Remeasurement gain on acquisition		$ 85

Amount of call option purchase price in consideration for the business combination.

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Amount of cash settlement of equity awards in consideration for the business combination.

+ References

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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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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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