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Fiduciary Funds	12 Months Ended
	Dec. 31, 2017
Text Block [Abstract]
Fiduciary Funds	17. Fiduciary Funds The accompanying consolidated balance sheets do not include the net assets of escrow, agency and fiduciary funds, which are held by us on behalf of clients and which amounted to $4.0 billion and $3.4 billion at December 31, 2017 and 2016, respectively.

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Description and amounts of funds held by the company on behalf of clients.

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