Pension Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Plan Disclosure [Line Items]

Schedule of Accumulated and Projected Benefit Obligations

The projected benefit obligation (“PBO”), accumulated benefit obligation (“ABO”), and fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets and with plan assets in excess of accumulated benefit obligations are as follows:

	U.S. Plans				Non-U.S. Plans
	2016		2015		2016		2015
	(in millions) Plans with ABO in Excess of Plan Assets
PBO	$	40	$	50	$	2,030	$	1,899
ABO	40		50		1,805		1,713
Fair value of plan assets at end of year	—		—		1,100		1,087
	Plans with Plan Assets in Excess of ABO
PBO	$	—	$	—	$	107	$	133
ABO	—		—		74		92
Fair value of plan assets at end of year	—		—		112		122
	Total
PBO	$	40	$	50	$	2,137	$	2,032
ABO	40		50		1,879		1,805
Fair value of plan assets at end of year	—		—		1,212		1,209

Schedule of Assumptions Used

Assumptions used to determine benefit obligations at December 31:

	Pension Benefits
	U.S. Plans				Non-U.S. Plans
	2016		2015		2016		2015
Weighted-average discount rate	2.70	%	2.70	%	2.83	%	3.81	%
Weighted-average rate of increase in compensation levels	N/A		N/A		3.86	%	3.67	%

Assumptions used to determine net expense for years ended December 31:

	Pension Benefits
	U.S. Plans						Non-U.S. Plans
	2016		2015		2014		2016		2015		2014
Weighted-average discount rate	2.70	%	2.50	%	3.00	%	3.81	%	3.67	%	4.58	%
Weighted-average rate of increase in compensation levels	N/A		N/A		N/A		3.67	%	3.65	%	3.85	%
Weighted-average expected long-term rate of return on plan assets	N/A		N/A		N/A		5.84	%	6.34	%	6.35	%

Schedule of Change in Assumptions Used

Delphi’s pension expense for 2017 is determined at the 2016 year end measurement date. For purposes of analysis, the following table highlights the sensitivity of the Company’s pension obligations and expense to changes in key assumptions:

Change in Assumption	Impact on Pension Expense	Impact on PBO
25 basis point (“bp”) decrease in discount rate	+ $8 million	+ $101 million
25 bp increase in discount rate	- $7 million	- $94 million
25 bp decrease in long-term expected return on assets	+ $3 million	—
25 bp increase in long-term expected return on assets	- $3 million	—

Schedule of Expected Benefit Payments

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid:

	Projected Pension Benefit Payments
	U.S. Plans		Non-U.S. Plans
	(in millions)
2017	$	11	$	65
2018	10		63
2019	8		67
2020	4		71
2021	2		78
2022 – 2026	5		447

Schedule of Allocation of Plan Assets

The fair values of Delphi’s pension plan assets weighted-average asset allocations at December 31, 2016 and 2015, by asset category, are as follows:

	Fair Value Measurements at December 31, 2016
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in millions)
Cash	$	61	$	61	$	—	$	—
Time deposits	10		—		10		—
Equity mutual funds	423		—		423		—
Bond mutual funds	469		—		469		—
Real estate trust funds	29		—		—		29
Hedge Funds	107		—		—		107
Insurance contracts	5		—		—		5
Debt securities	51		51		—		—
Equity securities	57		57		—		—
Total	$	1,212	$	169	$	902	$	141

	Fair Value Measurements at December 31, 2015
Asset Category	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in millions)
Cash	$	31	$	31	$	—	$	—
Time deposits	9		—		9		—
Equity mutual funds	457		—		457		—
Bond mutual funds	230		—		230		—
Real estate trust funds	39		—		—		39
Hedge Funds	102		—		—		102
Insurance contracts	1		—		—		1
Debt securities	286		282		4		—
Equity securities	54		54		—		—
Total	$	1,209	$	367	$	700	$	142

Schedule of Level Three Defined Benefit Plan Assets Roll Forward

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Real Estate Trust Fund			Hedge Funds			Insurance Contracts
	(in millions)
Beginning balance at January 1, 2015	$	41		$	102		$	1
Actual return on plan assets:
Relating to assets still held at the reporting date	(3		)	5			—
Purchases, sales and settlements	2			—			—
Foreign currency translation and other	(1		)	(5		)	—
Ending balance at December 31, 2015	$	39		$	102		$	1
Actual return on plan assets:
Relating to assets still held at the reporting date	$	4		$	22		$	—
Purchases, sales and settlements	(10		)	—			4
Foreign currency translation and other	(4		)	(17		)	—
Ending balance at December 31, 2016	$	29		$	107		$	5

Non-U.S. Plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The amounts shown below reflect the change in the non-U.S. defined benefit pension obligations during 2016 and 2015.

	Year Ended December 31,
	2016			2015
	(in millions)
Benefit obligation at beginning of year	$	2,032		$	2,238
Obligation assumed in HellermannTyton acquisition	—			12
Divestitures	—			(40		)
Service cost	46			57
Interest cost	63			77
Actuarial loss (gain)	363			(71		)
Benefits paid	(84		)	(80		)
Impact of curtailments	2			(10		)
Exchange rate movements and other	(285		)	(151		)
Benefit obligation at end of year	2,137			2,032
Change in plan assets:
Fair value of plan assets at beginning of year	1,209			1,264
Assets acquired in HellermannTyton acquisition	—			13
Actual return on plan assets	204			8
Delphi contributions	83			80
Benefits paid	(84		)	(80		)
Exchange rate movements and other	(200		)	(76		)
Fair value of plan assets at end of year	1,212			1,209
Underfunded status	(925		)	(823		)
Amounts recognized in the consolidated balance sheets consist of:
Non-current assets	8			2
Current liabilities	(10		)	(11		)
Non-current liabilities	(923		)	(814		)
Total	(925		)	(823		)
Amounts recognized in accumulated other comprehensive income consist of (pre-tax):
Actuarial loss	505			341
Prior service cost	1			1
Total	$	506		$	342

Schedule of Net Benefit Costs

	Non-U.S. Plans
	Year Ended December 31,
	2016			2015			2014
	(in millions)
Service cost	$	46		$	57		$	57
Interest cost	63			77			94
Expected return on plan assets	(65		)	(77		)	(77		)
Settlement loss (1)	—			11			3
Curtailment loss (gain)	3			(3		)	2
Amortization of actuarial losses	14			18			8
Other	2			—			—
Net periodic benefit cost	$	63		$	83		$	87

U.S. Plans

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Funded Status

The amounts shown below reflect the change in the U.S. defined benefit pension obligations during 2016 and 2015.

	Year Ended December 31,
	2016			2015
	(in millions)
Benefit obligation at beginning of year	$	50		$	60
Interest cost	1			1
Benefits paid	(11		)	(11		)
Benefit obligation at end of year	40			50
Change in plan assets:
Fair value of plan assets at beginning of year	—			—
Delphi contributions	11			11
Benefits paid	(11		)	(11		)
Fair value of plan assets at end of year	—			—
Underfunded status	(40		)	(50		)
Amounts recognized in the consolidated balance sheets consist of:
Current liabilities	(11		)	(12		)
Non-current liabilities	(29		)	(38		)
Total	(40		)	(50		)
Amounts recognized in accumulated other comprehensive income consist of (pre-tax):
Actuarial loss	10			11
Total	$	10		$	11

Schedule of Net Benefit Costs

Benefit costs presented below were determined based on actuarial methods and included the following:

	U.S. Plans
	Year Ended December 31,
	2016		2015		2014
	(in millions)
Interest cost	$	1	$	1	$	2
Amortization of actuarial losses	1		1		—
Net periodic benefit cost	$	2	$	2	$	2