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Segments of Operations - Narrative (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 USD ($) segment
Segment Reporting Information [Line Items] |
Number of segments | segment | 4
Property and Casualty Insurance | Real Estate Investment |
Segment Reporting Information [Line Items] |
Pretax income from the sale of a hotel | $ | $ 13

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230 + Details
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- Details
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- Details
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