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Acquisitions - Summary of Purchase Price Allocation (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($)
Consideration transferred:
Cash	$ 96
Estimated fair value of contingent consideration	23
Net purchase price	119
Fair value of net assets acquired:
Current assets other than cash	8
Property, plant and equipment	36
Customer relationships and other intangibles	11
Other assets and liabilities, net	(2)
Total fair value of net assets acquired	53
Goodwill	$ 66

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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