SunTrust Banks, Inc. (Parent Company Only) Financial Information Cash Flow (Tables)

12 Months Ended

Dec. 31, 2017

Condensed Cash Flow Statements, Captions [Line Items]

Condensed Cash Flow Statement [Table Text Block]

Statements of Cash Flows - Parent Company Only

	Year Ended December 31
(Dollars in millions)	2017			2016			2015
Cash Flows from Operating Activities:
Net income		$2,273			$1,878			$1,933
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed income of subsidiaries	(1,024		)	(725		)	(916		)
Depreciation, amortization, and accretion	5			3			6
Deferred income tax expense/(benefit)	5			11			(4		)
Stock-based compensation	—			3			11
Net securities (gains)/losses	(1		)	—			—
Net increase in other assets	(15		)	(129		)	(72		)
Net increase/(decrease) in other liabilities	122			62			(28		)
Net cash provided by operating activities	1,365			1,103			930
Cash Flows from Investing Activities:
Proceeds from maturities, calls, and paydowns of securities available for sale	38			49			66
Proceeds from sales of securities available for sale	1			4			—
Purchases of securities available for sale	(17		)	(4		)	(15		)
Net decrease/(increase) in loans to subsidiaries	1,298			(889		)	1,042
Other, net	—			(3		)	(2		)
Net cash provided by/(used in) investing activities	1,320			(843		)	1,091
Cash Flows from Financing Activities:
Net (decrease)/increase in short-term borrowings	(211		)	5			(763		)
Proceeds from long-term debt	9			2,005			—
Repayment of long-term debt	(482		)	(1,784		)	(29		)
Proceeds from the issuance of preferred stock	1,239			—			—
Repurchase of common stock	(1,314		)	(806		)	(679		)
Repurchase of common stock warrants	—			(24		)	—
Common and preferred dividends paid	(723		)	(564		)	(539		)
Taxes paid related to net share settlement of equity awards	(39		)	(48		)	(36		)
Proceeds from the exercise of stock options	21			25			17
Net cash used in financing activities	(1,500		)	(1,191		)	(2,029		)
Net increase/(decrease) in cash and cash equivalents	1,185			(931		)	(8		)
Cash and cash equivalents at beginning of period	1,684			2,615			2,623
Cash and cash equivalents at end of period		$2,869			$1,684			$2,615
Supplemental Disclosures:
Income taxes paid to subsidiaries		($489	)		($886	)		($499	)
Income taxes received by Parent Company	414			812			481
Net income taxes paid by Parent Company		($75	)		($74	)		($18	)
Interest paid		$140			$135			$130