Acquisitions & Divestitures - (Details) - 2021 Acquisitions $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($) item
Acquisitions
Percentage of business acquired (as a percent)	100.00%
Number of acquisitions \| item	10
Aggregate acquisitions cost \| $	$ 3,049

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.

No definition available.

+ Details

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

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