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Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2018
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On October 1, 2018, we completed our previously announced acquisition of Charles River Development, a provider of investment management front office tools and solutions, for an all cash purchase price of approximately $2.6 billion. We funded the acquisition with a July 2018 issuance of common stock of approximately $1.15 billion, a September 2018 issuance of preferred stock of approximately $500 million and the suspension of approximately $950 million of share repurchases, which includes approximately $350 million and approximately $300 million in the second and third quarters of 2018, respectively, and a planned suspension of approximately $300 million in the fourth quarter of 2018.