Dispositions and acquisitions	6 Months Ended
Jun. 30, 2021
Business Combinations [Abstract]
Dispositions and acquisitions	(9) Dispositions and acquisitions In July, 2021, we spent $40 million to acquire a 22-bed micro-hospital located in Las Vegas, Nevada. Six-month period ended June 30, 2021: Acquisitions: During the first six months of 2021, there were no acquisitions. Divestitures: During the first six months of 2021, we received $21 million from the sale of our equity interest in a business. Six-month period ended June 30, 2020: Acquisitions: During the first six months of 2020, we spent $1 million on the acquisition of businesses and property. Divestitures: During the first six months of 2020, we received $6 million from the sale of assets and businesses.

The entire disclosure for business combinations, including leverage buyout transactions (as applicable), and divestitures. This may include a description of a business combination or divestiture (or series of individually immaterial business combinations or divestitures) completed during the period, including background, timing, and assets and liabilities recognized and reclassified or sold. This element does not include fixed asset sales and plant closings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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