Strategic Initiatives - Restructuring Liability (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period	$ 0
Restructuring costs recorded during the period	33
Restructuring costs paid during the period	0
Restructuring liability at end of period	33
Severance and Other Employee Costs
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period	0	[1]
Restructuring costs recorded during the period	9	[1]
Restructuring costs paid during the period	0	[1]
Restructuring liability at end of period	9	[1]
Lease Termination and Associated Costs
Restructuring Reserve [Roll Forward]
Restructuring liability at beginning of period	0	[2]
Restructuring costs recorded during the period	24	[2]
Restructuring costs paid during the period	0	[2]
Restructuring liability at end of period	$ 24	[2]

[1] and other employee costs are included in salaries and employee benefits in the consolidated statement of income (loss), substantially all of which were reported in the Retail Banking & Wealth Management business segment for segment reporting purposes.

[2] Primarily includes real estate taxes, service charges and decommissioning costs. Lease termination and associated costs are included in occupancy expense, net in the consolidated statement of income (loss) and were reported in the Corporate Center business segment for segment reporting purposes.