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Amount of tangible assets acquired at the acquisition date.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Amount of lease obligation assumed in business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized as of the acquisition date for the assets, including goodwill, in excess of (less than) the aggregate liabilities assumed, less the noncontrolling interest in the acquiree.

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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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Acquisitions (Details) - USD ($) $ in Millions		6 Months Ended
Acquisitions (Details) - USD ($) $ in Millions	Feb. 01, 2021	Jun. 30, 2021	Jun. 30, 2020
Acquisitions
Net cash paid for acquisition		$ 398	$ 49
SPM Oil & Gas
Acquisitions
Net cash paid for acquisition	$ 361
Assets acquired
Tangible assets acquired	518
Cash	22
Business Combination, Lease Asset	105
Receivables	101
Inventory	159
Property, plant and equipment	$ 117
Finite-lived intangible assets, weighed average useful life (in years)	8 years
Finite-lived intangible assets acquired	$ 23
Business Combination, Goodwill	29
Liabilities assumed
Business Combination, Accounts Payable	33
Total liabilities assumed	187
Business Combination, Lease Obligation	$ 105