Pension and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Assumptions Used

The assumptions used in determining the benefit obligation of our postretirement benefit plans are as follows:

	2016		2015		2014
Discount rate	3.95	%	3.95	%	3.60	%
Salary increase assumption	3.00		3.00		3.00

Pension Plan, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Assumptions Used

The assumptions used in determining pension expense of the HSBC North America Pension Plan are as follows:

	2016		2015		2014
Discount rate	4.25	%	3.95	%	4.80	%
Expected long-term rate of return on Plan assets	5.50		6.00		6.00

Components of Pension Expense for Defined Benefit Pension Plan

Year Ended December 31,	2016			2015			2014
	(in millions)
Interest cost on projected benefit obligation	$	48		$	49		$	51
Expected return on plan assets	(58		)	(63		)	(62		)
Amortization of net actuarial loss	28			27			24
Administrative costs	3			4			5
Pension expense	$	21		$	17		$	18

Other Postretirement Benefit Plan, Defined Benefit [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Assumptions Used

The assumptions used in determining the net periodic postretirement benefit cost for our postretirement benefit plans are as follows:

	2016		2015		2014
Discount rate	3.95	%	3.60	%	4.35	%
Salary increase assumption	3.00		3.00		2.75

Components of Pension Expense for Defined Benefit Pension Plan

The components of our net postretirement benefit cost are as follows:

Year Ended December 31,	2016			2015			2014
	(in millions)
Interest cost	$	4		$	5		$	7
Amortization of reduction in liability resulting from plan amendment	(6		)	(3		)	—
Gain from curtailment	(5		)	—			—
Net periodic postretirement benefit cost	$	(7	)	$	2		$	7

Schedule of Accumulated and Projected Benefit Obligations

A reconciliation of the beginning and ending balances of the accumulated postretirement benefit obligation for both continuing and discontinued operations is as follows:

	2016			2015
	(in millions)
Accumulated benefit obligation at beginning of year	$	100		$	173
Interest cost	4			5
Actuarial gains	(6		)	(21		)
Reduction in liability resulting from plan amendment	—			(46		)
Benefits paid, net	(7		)	(11		)
Accumulated benefit obligation at end of year	$	91		$	100

Schedule of Expected Benefit Payments

Estimated future benefit payments for our postretirement benefit plans for both continuing and discontinued operations are as follows:

	(in millions)
2017	$	9
2018	8
2019	8
2020	7
2021	7
2022-2026	28