Pension Benefits (Tables)

12 Months Ended

Dec. 31, 2022

Retirement Benefits [Abstract]

Schedule of Net Funded Status

The amounts shown below reflect the change in the U.S. defined benefit pension obligations during 2022 and 2021.

	Year Ended December 31,
	2022		2021
	(in millions)
Benefit obligation at beginning of year	$	5	$	8
Actuarial gain	(1)		—
Benefits paid	(1)		(3)
Benefit obligation at end of year	$	3	$	5
Change in plan assets:
Fair value of plan assets at beginning of year	$	—	$	—
Aptiv contributions	1		3
Benefits paid	(1)		(3)
Fair value of plan assets at end of year	$	—	$	—
Underfunded status	$	(3)	$	(5)
Amounts recognized in the consolidated balance sheets consist of:
Current liabilities	$	(1)	$	(1)
Long-term liabilities	(2)		(4)
Total	$	(3)	$	(5)
Amounts recognized in accumulated other comprehensive loss consist of (pre-tax):
Actuarial loss	$	4	$	6
Total	$	4	$	6

The amounts shown below reflect the change in the non-U.S. defined benefit pension obligations during 2022 and 2021.

	Year Ended December 31,
	2022		2021
	(in millions)
Benefit obligation at beginning of year	$	861	$	977
Service cost	15		18
Interest cost	23		19
Actuarial gain	(171)		(62)
Benefits paid	(35)		(36)
Impact of curtailments	—		(3)
Exchange rate movements and other	(42)		(52)
Benefit obligation at end of year	$	651	$	861
Change in plan assets:
Fair value of plan assets at beginning of year	$	438	$	438
Actual return on plan assets	(89)		23
Aptiv contributions	23		25
Benefits paid	(35)		(36)
Exchange rate movements and other	(30)		(12)
Fair value of plan assets at end of year	$	307	$	438
Underfunded status	$	(344)	$	(423)
Amounts recognized in the consolidated balance sheets consist of:
Long-term assets	$	25	$	29
Current liabilities	(18)		(17)
Long-term liabilities	(351)		(435)
Total	$	(344)	$	(423)
Amounts recognized in accumulated other comprehensive loss consist of (pre-tax):
Actuarial loss	$	17	$	101
Total	$	17	$	101

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
	2022		2021		2022		2021
	(in millions) Plans with ABO in Excess of Plan Assets
PBO	$	3	$	5	$	449	$	445
ABO	3		5		398		405
Fair value of plan assets at end of year	—		—		80		7
	Plans with Plan Assets in Excess of ABO
PBO	$	—	$	—	$	202	$	416
ABO	—		—		193		393
Fair value of plan assets at end of year	—		—		227		431
	Total
PBO	$	3	$	5	$	651	$	861
ABO	3		5		591		798
Fair value of plan assets at end of year	—		—		307		438

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,
	2022		2021		2020
	(in millions)
Amortization of actuarial losses	$	1	$	1	$	1
Net periodic benefit cost	$	1	$	1	$	1

	Non-U.S. Plans
	Year Ended December 31,
	2022		2021		2020
	(in millions)
Service cost	$	15	$	18	$	18
Interest cost	23		19		20
Expected return on plan assets	(17)		(17)		(17)
Settlement loss	—		1		1
Curtailment loss	—		3		—
Amortization of actuarial losses	8		14		14
Other	—		—		1
Net periodic benefit cost	$	29	$	38	$	37

Schedule of Assumptions Used

Assumptions used to determine benefit obligations at December 31:

	Pension Benefits
	U.S. Plans				Non-U.S. Plans
	2022		2021		2022		2021
Weighted-average discount rate	5.20	%	1.90	%	5.95	%	3.09	%
Weighted-average rate of increase in compensation levels	N/A		N/A		2.82	%	2.47	%

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

	Pension Benefits
	U.S. Plans						Non-U.S. Plans
	2022		2021		2020		2022		2021		2020
Weighted-average discount rate	1.90	%	1.20	%	2.40	%	3.09	%	2.21	%	2.87	%
Weighted-average rate of increase in compensation levels	N/A		N/A		N/A		2.47	%	3.64	%	3.69	%
Weighted-average expected long-term rate of return on plan assets	N/A		N/A		N/A		4.46	%	4.29	%	4.68	%

Schedule of Change in Assumptions Used

Aptiv’s pension expense for 2023 is determined at the 2022 year end measurement date. For purposes of analysis, the following table highlights the sensitivity of the Company’ 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	Less than + $1 million	‘+ $16 million
25 bp increase in discount rate	‘- $1 million	‘- $15 million
25 bp decrease in long-term expected return on assets	‘+ $1 million	—
25 bp increase in long-term expected return on assets	‘- $1 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)
2023	$	1	$	49
2024	1		41
2025	1		43
2026	—		49
2027	—		53
2028 – 2032	—		285

Schedule of Allocation of Plan Assets

The fair values of Aptiv’s pension plan assets weighted-average asset allocations at December 31, 2022 and 2021, by asset category, are as follows:

	Fair Value Measurements at December 31, 2022
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 and cash equivalents	$	12	$	4	$	8	$	—
Time deposits	28		—		28		—
Equity mutual funds	6		—		6		—
Bond mutual funds	110		—		110		—
Real estate trust funds	36		—		—		36
Private debt funds	17		—		—		17
Insurance contracts	2		—		—		2
Debt securities	59		59		—		—
Equity securities	37		37		—		—
Total	$	307	$	100	$	152	$	55

	Fair Value Measurements at December 31, 2021
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 and cash equivalents	$	13	$	13	$	—	$	—
Time deposits	29		—		29		—
Equity mutual funds	33		—		33		—
Bond mutual funds	216		—		216		—
Real estate trust funds	35		—		—		35
Hedge funds	11		—		—		11
Insurance contracts	4		—		—		4
Debt securities	56		56		—		—
Equity securities	41		41		—		—
Total	$	438	$	110	$	278	$	50

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		Private Lending Funds
	(in millions)
Beginning balance at January 1, 2021	$	34	$	9	$	7	$	—
Actual return on plan assets:
Relating to assets still held at the reporting date	3		2		—		—
Purchases, sales and settlements	(1)		—		(3)		—
Foreign currency translation and other	(1)		—		—		—
Ending balance at December 31, 2021	$	35	$	11	$	4	$	—
Actual return on plan assets:
Relating to assets still held at the reporting date	$	5	$	1	$	—	$	(2)
Purchases, sales and settlements	—		(10)		—		19
Foreign currency translation and other	(4)		(2)		(2)		—
Ending balance at December 31, 2022	$	36	$	—	$	2	$	17