Borrowings and Contractual Commitments Schedule of Long-term Debt Maturities (Tables)

12 Months Ended

Dec. 31, 2016

Debt Instrument [Line Items]

Schedule of Long-term Debt Instruments [Table Text Block]

Long-term debt at December 31 consisted of the following:

	2016				2015
(Dollars in millions)	Maturity Date(s)	Interest Rate(s)	Balance		Balance
Parent Company Only:
Senior, fixed rate	2017 - 2028	2.35% - 6.00%		$3,818		$3,614
Senior, variable rate	2017 - 2026	0.25 - 2.50	314		331
Subordinated, fixed rate	2026	6.00	200		200
Junior subordinated, variable rate	2027 - 2028	1.58 - 1.83	627		627
Total			4,959		4,772
Less: Debt issuance costs 1			9
Total Parent Company debt			4,950		4,772
Subsidiaries 2:
Senior, fixed rate 3	2017 - 2053	0.80 - 9.27	2,539		1,620
Senior, variable rate	2017 - 2043	0.61 - 2.27	2,613		1,097
Subordinated, fixed rate 4	2017 - 2026	3.30 - 7.25	1,651		973
Total			6,803		3,690
Less: Debt issuance costs 1			5
Total subsidiaries debt			6,798		3,690
Total long-term debt				$11,748		$8,462

¹ Related to the Company's adoption of ASU 2015-03. Debt issuance costs were immaterial in the comparative prior year period, and accordingly, were not reclassified from other assets to long-term debt. See Note 1, "Significant Accounting Policies," for additional information.

² 88% and 81% of total subsidiary debt was issued by the Bank as of December 31, 2016 and 2015, respectively.

³ Includes leases and other obligations that do not have a stated interest rate.

⁴ Includes $963 million and $973 million of subordinated debt measured at fair value at December 31, 2016 and 2015, respectively.

Schedule of Maturities of Long-term Debt [Table Text Block]

Maturities of long-term debt at December 31, 2016 were as follows:

(Dollars in millions)	Parent Company		Subsidiaries
2017		$482		$1,305
2018	874		1,237
2019	792		27
2020	—		1,721
2021	969		505
Thereafter	1,842		2,008
Total maturities	4,959		6,803
Less: Debt issuance costs	9		5
Total long-term debt		$4,950		$6,798