10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

___________________________________________________________________________________________________

FORM 10-Q

__________________________________________________________________________________________________

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2018

OR

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to .

Commission file number: 001-35346

______________________________________________________________________________________

APTIV PLC

(Exact name of registrant as specified in its charter)

____________________________________________________________________________________________________

Jersey	98-1029562
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

C, Ardilaun Court

112-114 St. Stephen's Green

Dublin 2, D02 TD28, Ireland

(Address of principal executive offices)

353-1-259-7013

(Registrant’s telephone number, including area code)

N/A

(Former name, former address and former fiscal year, if changed since last report)

__________________________________________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  x.    No  ¨.

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  x.    No  ¨.

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	x.		Accelerated filer	¨.
Non-accelerated filer	¨.	(Do not check if a smaller reporting company)	Smaller reporting company	¨.
			Emerging growth company	¨.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨.    No  x.

The number of the registrant’s ordinary shares outstanding, $0.01 par value per share as of April 27, 2018, was 264,769,110.

APTIV PLC

INDEX

		Page
Part I - Financial Information
Item 1.	Financial Statements
	Consolidated Statements of Operations for the Three Months Ended March 31, 2018 and 2017 (Unaudited)	3
	Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2018 and 2017 (Unaudited)	4
	Consolidated Balance Sheets as of March 31, 2018 (Unaudited) and December 31, 2017	5
	Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2018 and 2017 (Unaudited)	6
	Consolidated Statement of Shareholders’ Equity for the Three Months Ended March 31, 2018 (Unaudited)	7
	Notes to Consolidated Financial Statements (Unaudited)	8
	Cautionary Statement Regarding Forward Looking Information	50
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	51
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	69
Item 4.	Controls and Procedures	69
Part II - Other Information
Item 1.	Legal Proceedings	70
Item 1A.	Risk Factors	70
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	70
Item 6.	Exhibits	71
Signatures		72
Exhibits

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PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

APTIV PLC

CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)

	Three Months Ended March 31,
	2018			2017
	(in millions, except per share amounts)
Net sales	$	3,630		$	3,143
Operating expenses:
Cost of sales	2,947			2,544
Selling, general and administrative	259			225
Amortization	30			29
Restructuring (Note 7)	20			52
Total operating expenses	3,256			2,850
Operating income	374			293
Interest expense	(34		)	(33		)
Other income (expense), net (Note 16)	30			(23		)
Income from continuing operations before income taxes and equity income	370			237
Income tax expense	(59		)	(19		)
Income from continuing operations before equity income	311			218
Equity income, net of tax	5			11
Income from continuing operations	316			229
Income from discontinued operations, net of tax (Note 21)	—			123
Net income	316			352
Net income attributable to noncontrolling interest	9			17
Net income attributable to Aptiv	$	307		$	335
Amounts attributable to Aptiv:
Income from continuing operations	$	307		$	220
Income from discontinued operations	—			115
Net income	$	307		$	335
Basic net income per share:
Continuing operations	$	1.16		$	0.82
Discontinued operations	—			0.42
Basic net income per share attributable to Aptiv	$	1.16		$	1.24
Weighted average number of basic shares outstanding	265.69			269.20
Diluted net income per share:
Continuing operations	$	1.15		$	0.82
Discontinued operations	—			0.42
Diluted net income per share attributable to Aptiv	$	1.15		$	1.24
Weighted average number of diluted shares outstanding	266.44			269.54
Cash dividends declared per share	$	—		$	0.29

See notes to consolidated financial statements.

3

APTIV PLC

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

	Three Months Ended March 31,
	2018			2017
	(in millions)
Net income	$	316		$	352
Other comprehensive income:
Currency translation adjustments	61			86
Net change in unrecognized (loss) gain on derivative instruments, net of tax (Note 14)	(23		)	39
Employee benefit plans adjustment, net of tax	1			4
Other comprehensive income	39			129
Comprehensive income	355			481
Comprehensive income attributable to noncontrolling interests	13			18
Comprehensive income attributable to Aptiv	$	342		$	463

See notes to consolidated financial statements.

4

APTIV PLC

CONSOLIDATED BALANCE SHEETS

	March 31, 2018			December 31, 2017
	(Unaudited)
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	1,345		$	1,596
Restricted cash	1			1
Accounts receivable, net	2,646			2,440
Inventories (Note 3)	1,202			1,083
Other current assets (Note 4)	732			521
Total current assets	5,926			5,641
Long-term assets:
Property, net	2,890			2,804
Investments in affiliates	101			91
Intangible assets, net (Note 2)	1,204			1,219
Goodwill (Note 2)	1,980			1,944
Other long-term assets (Note 4)	459			470
Total long-term assets	6,634			6,528
Total assets	$	12,560		$	12,169
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (Note 8)	$	60		$	17
Accounts payable	2,282			2,227
Accrued liabilities (Note 5)	1,366			1,296
Total current liabilities	3,708			3,540
Long-term liabilities:
Long-term debt (Note 8)	4,163			4,132
Pension benefit obligations	460			454
Other long-term liabilities (Note 5)	531			526
Total long-term liabilities	5,154			5,112
Total liabilities	8,862			8,652
Commitments and contingencies (Note 10)
Shareholders’ equity:
Preferred shares, $0.01 par value per share, 50,000,000 shares authorized, none issued and outstanding	—			—
Ordinary shares, $0.01 par value per share, 1,200,000,000 shares authorized, 264,761,036 and 265,839,794 issued and outstanding as of March 31, 2018 and December 31, 2017, respectively	3			3
Additional paid-in-capital	1,622			1,649
Retained earnings	2,278			2,118
Accumulated other comprehensive loss (Note 13)	(436		)	(471		)
Total Aptiv shareholders’ equity	3,467			3,299
Noncontrolling interest	231			218
Total shareholders’ equity	3,698			3,517
Total liabilities and shareholders’ equity	$	12,560		$	12,169

See notes to consolidated financial statements.

5

APTIV PLC

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Three Months Ended March 31,
	2018			2017
	(in millions)
Cash flows from operating activities:
Net income	$	316		$	352
Income from discontinued operations, net of tax	—			123
Income from continuing operations	316			229
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	125			97
Amortization	30			29
Amortization of deferred debt issuance costs	2			2
Restructuring expense, net of cash paid	(16		)	18
Deferred income taxes	(7		)	5
Pension and other postretirement benefit expenses	11			9
Income from equity method investments, net of dividends received	(5		)	(10		)
Share-based compensation	13			13
Changes in operating assets and liabilities:
Accounts receivable, net	(206		)	(96		)
Inventories	(119		)	(110		)
Other assets	(49		)	(30		)
Accounts payable	140			55
Accrued and other long-term liabilities	2			50
Other, net	(40		)	5
Pension contributions	(11		)	(8		)
Net cash provided by operating activities from continuing operations	186			258
Net cash (used in) provided by operating activities from discontinued operations	(31		)	32
Net cash provided by operating activities	155			290
Cash flows from investing activities:
Capital expenditures	(243		)	(164		)
Proceeds from sale of property / investments	3			—
Cost of business acquisitions, net of cash acquired	—			(40		)
Deposit for acquisition of KUM	(5		)	—
Cost of technology investments	—			(15		)
Net cash used in investing activities from continuing operations	(245		)	(219		)
Net cash used in investing activities from discontinued operations	—			(51		)
Net cash used in investing activities	(245		)	(270		)
Cash flows from financing activities:
Net borrowings (repayments) under other short-term debt agreements	35			(4		)
Contingent consideration and deferred acquisition purchase price payments	—			(20		)
Dividend payments of consolidated affiliates to minority shareholders	—			(10		)
Repurchase of ordinary shares	(149		)	(194		)
Distribution of cash dividends	(59		)	(78		)
Taxes withheld and paid on employees' restricted share awards	(32		)	(26		)
Net cash used in financing activities	(205		)	(332		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	44			21
Decrease in cash, cash equivalents and restricted cash	(251		)	(291		)
Cash, cash equivalents and restricted cash at beginning of the period	1,597			839
Cash, cash equivalents and restricted cash at end of the period	$	1,346		$	548
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	61
Cash, cash equivalents and restricted cash of continuing operations	$	1,346		$	487

See notes to consolidated financial statements.

6

APTIV PLC

CONSOLIDATED STATEMENT OF SHAREHOLDERS’ EQUITY (Unaudited)

	Ordinary Shares
	Number of Shares		Amount		Additional Paid in Capital			Retained Earnings			Accumulated Other Comprehensive Loss			Total Aptiv Shareholders’ Equity			Noncontrolling Interest		Total Shareholders’ Equity
	(in millions)
Balance at January 1, 2018	266		$	3	$	1,649		$	2,118		$	(471	)	$	3,299		$	218	$	3,517
Net income	—		—		—			307			—			307			9		316
Other comprehensive income	—		—		—			—			35			35			4		39
Taxes withheld on employees' restricted share award vestings	—		—		(32		)	—			—			(32		)	—		(32		)
Repurchase of ordinary shares	(2	)	—		(8		)	(141		)	—			(149		)	—		(149		)
Share-based compensation	1		—		13			—			—			13			—		13
Distribution of Delphi Technologies	—		—		—			3			—			3			—		3
Adjustment for recently adopted accounting pronouncements (Note 2)	—		—		—			(9		)	—			(9		)	—		(9		)
Balance at March 31, 2018	265		$	3	$	1,622		$	2,278		$	(436	)	$	3,467		$	231	$	3,698

See notes to consolidated financial statements.

7

APTIV PLC

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

1. GENERAL

General and basis of presentation—“Aptiv,” the “Company,” “we,” “us” and “our” refer to Aptiv PLC, a public limited company which was formed under the laws of Jersey on May 19, 2011 as Delphi Automotive PLC, which together with its subsidiaries acquired certain assets of the former Delphi Corporation and completed an initial public offering on November 22, 2011. The former Delphi Corporation (now known as DPH Holdings Corp. (“DPHH”)) and, as the context may require, its subsidiaries and affiliates, are also referred to herein as “Old Delphi.” On December 4, 2017 (the “Distribution Date”), the Company completed the separation (the “Separation”) of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and New York Stock Exchange ("NYSE") symbol to "APTV." Also, as a result of the Separation, Delphi Technologies became an independent public company trading on the NYSE under the symbol "DLPH" as of the Distribution Date. Delphi Technologies' historical financial results through the Distribution Date are reflected in the Company’s consolidated financial statements as a discontinued operation, as more fully described in Note 21. Discontinued Operations.

In April 2018, primarily as a result of the impact of the Separation on the Company’s U.K. presence and the centralization of the Company's non-manufacturing European footprint, along with the long-term stability of the financial and regulatory environment in Ireland and continued uncertainties with regards to the impending exit of the U.K. from the European Union, Aptiv PLC changed its tax residence from the U.K. to Ireland. Aptiv PLC remains a public limited company incorporated under the laws of Jersey, and will continue to be subject to United States Securities and Exchange Commission reporting requirements and prepare financial statements in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

The consolidated financial statements have been prepared in accordance with U.S. GAAP and all adjustments, consisting of only normal recurring items, which are necessary for a fair presentation, have been included. The consolidated financial statements and notes thereto included in this report should be read in conjunction with Aptiv's 2017 Annual Report on Form 10-K.

Nature of operations—Aptiv is a leading global technology and mobility company serving the automotive sector. We design and manufacture vehicle components and provide electrical, electronic and active safety technology solutions to the global automotive market. Aptiv operates manufacturing facilities and technical centers utilizing a regional service model that enables the Company to efficiently and effectively serve its global customers from best cost countries. In line with the long term growth in emerging markets, Aptiv has been increasing its focus on these markets, particularly in China, where the Company has a major manufacturing base and strong customer relationships.

2. SIGNIFICANT ACCOUNTING POLICIES

Consolidation—The consolidated financial statements include the accounts of Aptiv and U.S. and non-U.S. subsidiaries in which Aptiv holds a controlling financial or management interest and variable interest entities of which Aptiv has determined that it is the primary beneficiary. Aptiv’s share of the earnings or losses of non-controlled affiliates over which Aptiv exercises significant influence (generally a 20% to 50% ownership interest) is included in the consolidated operating results using the equity method of accounting. When Aptiv does not have the ability to exercise significant influence (generally when ownership interest is less than 20%), investments in non-consolidated affiliates are accounted for in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, and are measured at cost, less impairments, adjusted for observable price changes. All significant intercompany transactions and balances between consolidated Aptiv businesses have been eliminated. The Company monitors its investments in affiliates for indicators of other-than-temporary declines in value on an ongoing basis. If the Company determines that such a decline has occurred, an impairment loss is recorded, which is measured as the difference between carrying value and estimated fair value. Estimated fair value is generally determined using an income approach based on discounted cash flows or negotiated transaction values.

Investments in non-consolidated affiliates totaled $56 million and $56 million as of March 31, 2018 and December 31, 2017, respectively, and are classified within other long-term assets in the consolidated balance sheet.

Use of estimates—Preparation of consolidated financial statements in conformity with U.S. GAAP requires the use of estimates and assumptions that affect amounts reported therein. Generally, matters subject to estimation and judgment include amounts related to accounts receivable realization, inventory obsolescence, asset impairments, useful lives of intangible and

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fixed assets, deferred tax asset valuation allowances, income taxes, pension benefit plan assumptions, accruals related to litigation, warranty costs, environmental remediation costs, contingent consideration arrangements, worker’s compensation accruals and healthcare accruals. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may be based upon amounts that differ from those estimates.

Revenue recognition—Beginning in the first quarter of 2018, Aptiv recognizes revenue in accordance with ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 22. Revenue for additional information regarding the Company's revenue recognition policies.

Net income per share—Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. Unless otherwise noted, share and per share amounts included in these notes are on a diluted basis. Refer to Note 12. Shareholders’ Equity and Net Income Per Share for additional information including the calculation of basic and diluted net income per share.

Cash and cash equivalents—Cash and cash equivalents are defined as short-term, highly liquid investments with original maturities of three months or less.

Accounts receivable—Aptiv enters into agreements to sell certain of its accounts receivable, primarily in Europe. Sales of receivables are accounted for in accordance with FASB Accounting Standards Codification ("ASC") Topic 860, Transfers and Servicing ("ASC 860"). Agreements which result in true sales of the transferred receivables, as defined in ASC 860, which occur when receivables are transferred without recourse to the Company, are excluded from amounts reported in the consolidated balance sheets. Cash proceeds received from such sales are included in operating cash flows. Agreements that allow Aptiv to maintain effective control over the transferred receivables and which do not qualify as a sale, as defined in ASC 860, are accounted for as secured borrowings and recorded in the consolidated balance sheets within accounts receivable, net and short-term debt. The expenses associated with receivables factoring are recorded in the consolidated statements of operations within interest expense.

Intangible assets—Intangible assets were $1,204 million and $1,219 million as of March 31, 2018 and December 31, 2017, respectively. Aptiv amortizes definite-lived intangible assets over their estimated useful lives. Aptiv has definite-lived intangible assets related to patents and developed technology, customer relationships and trade names. Indefinite-lived in-process research and development intangible assets are not amortized, but are tested for impairment annually, or more frequently when indicators of potential impairment exist, until the completion or abandonment of the associated research and development efforts. Upon completion of the projects, the assets will be amortized over the expected economic life of the asset, which will be determined on that date. Should the project be determined to be abandoned, and if the asset developed has no alternative use, the full value of the asset will be charged to expense. The Company also has intangible assets related to acquired trade names that are classified as indefinite-lived when there are no foreseeable limits on the periods of time over which they are expected to contribute cash flows. These indefinite-lived trade name assets are tested for impairment annually, or more frequently when indicators of potential impairment exist. Costs to renew or extend the term of acquired intangible assets are recognized as expense as incurred. Amortization expense was $30 million and $29 million for the three months endedMarch 31, 2018 and 2017, respectively.

Goodwill—Goodwill is the excess of the purchase price over the estimated fair value of identifiable net assets acquired in business combinations. The Company tests goodwill for impairment annually in the fourth quarter, or more frequently when indications of potential impairment exist. The Company monitors the existence of potential impairment indicators throughout the fiscal year. The Company tests for goodwill impairment at the reporting unit level. Our reporting units are the components of operating segments which constitute businesses for which discrete financial information is available and is regularly reviewed by segment management.

The impairment test involves first qualitatively assessing goodwill for impairment. If the qualitative assessment is not met the Company then performs a quantitative assessment by first comparing the estimated fair value of each reporting unit to its carrying value, including goodwill. Fair value reflects the price a market participant would be willing to pay in a potential sale of the reporting unit. If the estimated fair value exceeds carrying value, then we conclude that no goodwill impairment has occurred. If the carrying value of the reporting unit exceeds its estimated fair value, a second step is required to measure possible goodwill impairment loss. The second step includes hypothetically valuing the tangible and intangible assets and liabilities of the reporting unit as if the reporting unit had been acquired in a business combination. Then, the implied fair value of the reporting unit's goodwill is compared to the carrying value of that goodwill. If the carrying value of the reporting unit's goodwill exceeds the implied fair value of the goodwill, the Company recognizes an impairment loss in an amount equal to the excess, not to exceed the carrying value. There were no indicators of potential goodwill impairment during the three months

9

endedMarch 31, 2018. Goodwill was $1,980 million and $1,944 million as of March 31, 2018 and December 31, 2017, respectively.

Warranty and product recalls—Expected warranty costs for products sold are recognized at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. Costs of product recalls, which may include the cost of the product being replaced as well as the customer’s cost of the recall, including labor to remove and replace the recalled part, are accrued as part of our warranty accrual at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Refer to Note 6. Warranty Obligations for additional information.

Discontinued operations—The Company reports financial results for discontinued operations separately from continuing operations to distinguish the financial impact of disposal transactions from ongoing operations. Discontinued operations reporting occurs only when the disposal of a component or a group of components of the Company represents a strategic shift that will have a major effect on the Company's operations and financial results. During the year ended December 31, 2017, the Company completed the Separation of its former Powertrain Systems segment by means of a spin-off into Delphi Technologies. Accordingly, the assets and liabilities, operating results and operating and investing cash flows for the previously reported Powertrain Systems segment are presented as discontinued operations separate from the Company’s continuing operations and segment results for all periods presented in these consolidated financial statements and the notes to the consolidated financial statements, unless otherwise noted. Refer to Note 21. Discontinued Operations for further information regarding the Company's discontinued operations.

Income taxes—Deferred tax assets and liabilities reflect temporary differences between the amount of assets and liabilities for financial and tax reporting purposes. Such amounts are adjusted, as appropriate, to reflect changes in tax rates expected to be in effect when the temporary differences reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in earnings in the period that includes the enactment date. A valuation allowance is recorded to reduce deferred tax assets to the amount that is more likely than not to be realized. In the event the Company determines it is more likely than not that the deferred tax assets will not be realized in the future, the valuation allowance adjustment to the deferred tax assets will be charged to earnings in the period in which the Company makes such a determination. In determining the provision for income taxes for financial statement purposes, the Company makes certain estimates and judgments which affect its evaluation of the carrying value of its deferred tax assets, as well as its calculation of certain tax liabilities. Refer to Note 11. Income Taxes for additional information.

Restructuring—Aptiv continually evaluates alternatives to align the business with the changing needs of its customers and to lower operating costs. This includes the realignment of its existing manufacturing capacity, facility closures, or similar actions, either in the normal course of business or pursuant to significant restructuring programs. These actions may result in employees receiving voluntary or involuntary employee termination benefits, which are mainly pursuant to union or other contractual agreements. Voluntary termination benefits are accrued when an employee accepts the related offer. Involuntary termination benefits are accrued upon the commitment to a termination plan and when the benefit arrangement is communicated to affected employees, or when liabilities are determined to be probable and estimable, depending on the existence of a substantive plan for severance or termination. Contract termination costs are recorded when contracts are terminated or when Aptiv ceases to use the leased facility and no longer derives economic benefit from the contract. All other exit costs are expensed as incurred. Refer to Note 7. Restructuring for additional information.

Customer concentrations—As reflected in the table below, combined net sales to General Motors Company ("GM") and Volkswagen Group ("VW"), Aptiv's two largest customers, totaled approximately 19% and 24% of our total net sales for the three months endedMarch 31, 2018 and 2017, respectively.

	Percentage of Total Net Sales				Accounts and Other Receivables
	Three Months Ended March 31,				March 31, 2018		December 31, 2017
	2018		2017
					(in millions)
GM (1)	11	%	15	%	$	237	$	204
VW	8	%	9	%	165		145

(1) Net sales to GM includes net sales to GM's former European Opel business prior to its sale to PSA Peugeot Citroën ("PSA") on August 1, 2017, after which date these sales are excluded from net sales to GM.

Recently adopted accounting pronouncements—Aptiv adopted ASU 2014-09, Revenue from Contracts with Customers, in the first quarter of 2018 using the modified retrospective method. This ASU supersedes most of the existing guidance on revenue recognition in ASC Topic 605, Revenue Recognition and establishes a broad principle that would require

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an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Refer to Note 22. Revenue for additional information.

Aptiv adopted ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, in the first quarter of 2018. This guidance makes targeted improvements to existing U.S. GAAP for financial instruments, including requiring equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. In accordance with this guidance, Aptiv measures equity investments at cost, less impairments, adjusted for observable price changes. The adoption of this guidance did not have a significant impact on Aptiv's financial statements.

Aptiv adopted ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, in the first quarter of 2018. This guidance clarifies the presentation requirements of eight specific issues within the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, as Aptiv's treatment of the relevant affected items within its consolidated statement of cash flows is consistent with the requirements of this guidance.

Aptiv adopted ASU 2016-16, Accounting for Income Taxes: Intra-Entity Asset Transfers of Assets Other than Inventory, in the first quarter of 2018. This guidance requires that the tax effects of all intra-entity sales of assets other than inventory be recognized in the period in which the transaction occurs. The guidance is to be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. The adoption of this guidance resulted in an adjustment of $9 million recorded to retained earnings during the three months endedMarch 31, 2018.

Aptiv adopted ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, in the first quarter of 2018. This guidance requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and restricted cash. As a result, restricted cash will be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, other than the classification of restricted cash within the beginning-of-period and end-of-period totals on the consolidated statement of cash flows, as opposed to being excluded from these totals.

Recently issued accounting pronouncements not yet adopted—In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). Under this guidance, lessees will be required to recognize on the balance sheet a lease liability and a right-of-use asset for all leases, with the exception of short-term leases. The lease liability represents the lessee's obligation to make lease payments arising from a lease, and will be measured as the present value of the lease payments. The right-of-use asset represents the lessee’s right to use a specified asset for the lease term, and will be measured at the lease liability amount, adjusted for lease prepayment, lease incentives received and the lessee’s initial direct costs. The standard also requires a lessee to recognize a single lease cost allocated over the lease term, generally on a straight-line basis. The new guidance is effective for fiscal years beginning after December 15, 2018. ASU 2016-02 is required to be applied using the modified retrospective approach for all leases existing as of the effective date and provides for certain practical expedients. Early adoption is permitted. The Company is currently evaluating the effects that the adoption of ASU 2016-02 will have on the Company’s consolidated financial statements, and anticipates the new guidance will significantly impact its consolidated financial statements as the Company has a significant number of leases.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. This guidance also requires enhanced disclosures regarding significant estimates and judgments used in estimating credit losses. The new guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This guidance simplifies how an entity is required to test goodwill for impairment by eliminating step two from the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount. Under the new guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. The standard will be applied prospectively and is effective for annual and interim impairment tests performed in periods beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of adopting this standard on its financial statements, but does not anticipate a material impact. As this standard is prospective in nature, the impact to Aptiv's financial statements of not performing a step two in order to

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measure the amount of any potential goodwill impairment will depend on various factors associated with the Company's assessment of goodwill for impairment in those future periods.

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging—Targeted Improvements to Accounting for Hedging Activities, which expands and refines the application of hedge accounting for both non-financial and financial risk components and aligns the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, Income Statement—Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which allows for the elimination of the stranded income tax effects resulting from the enactment of the Tax Cuts and Jobs Act through a reclassification from accumulated other comprehensive income to retained earnings. The standard is effective for fiscal years beginning after December 15, 2018. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

3. INVENTORIES

Inventories are stated at the lower of cost, determined on a first-in, first-out basis, or net realizable value, including direct material costs and direct and indirect manufacturing costs. A summary of inventories is shown below:

	March 31, 2018		December 31, 2017
	(in millions)
Productive material	$	675	$	584
Work-in-process	107		100
Finished goods	420		399
Total	$	1,202	$	1,083

4. ASSETS

Other current assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Value added tax receivable	$	162	$	160
Prepaid insurance and other expenses	116		104
Reimbursable engineering costs	44		33
Notes receivable	15		16
Income and other taxes receivable	62		46
Deposits to vendors	8		8
Derivative financial instruments (Note 14)	34		30
Accounts receivable to be remitted to Delphi Technologies (Note 21)	289		123
Other	2		1
Total	$	732	$	521

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Other long-term assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Deferred income taxes, net	$	183	$	185
Unamortized Revolving Credit Facility debt issuance costs (Note 8)	7		8
Income and other taxes receivable	11		22
Reimbursable engineering costs	72		66
Value added tax receivable	38		37
Equity investments (Note 17)	56		56
Derivative financial instruments (Note 14)	2		8
Other	90		88
Total	$	459	$	470

5. LIABILITIES

Accrued liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Payroll-related obligations	$	238	$	218
Employee benefits, including current pension obligations	74		116
Income and other taxes payable	234		233
Warranty obligations (Note 6)	46		41
Restructuring (Note 7)	81		90
Customer deposits	32		28
Derivative financial instruments (Note 14)	30		15
Accrued interest	29		41
Dividends payable	—		59
Accounts payable to be remitted on behalf of Delphi Technologies (Note 21)	267		132
Other	335		323
Total	$	1,366	$	1,296

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Other long-term liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Environmental (Note 10)	$	4	$	4
Extended disability benefits	9		9
Warranty obligations (Note 6)	17		17
Restructuring (Note 7)	40		42
Payroll-related obligations	10		10
Accrued income taxes	156		154
Deferred income taxes, net	218		222
Derivative financial instruments (Note 14)	5		11
Other	72		57
Total	$	531	$	526

6. WARRANTY OBLIGATIONS

Expected warranty costs for products sold are recognized principally at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. The estimated costs related to product recalls based on a formal campaign soliciting return of that product are accrued at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Aptiv has recognized its best estimate for its total aggregate warranty reserves, including product recall costs, across all of its operating segments as of March 31, 2018. The Company estimates the reasonably possible amount to ultimately resolve all matters in excess of the recorded reserves as of March 31, 2018 to be zero to $25 million.

The table below summarizes the activity in the product warranty liability for the three months endedMarch 31, 2018:

	Warranty Obligations
	(in millions)
Accrual balance at beginning of period	$	58
Provision for estimated warranties incurred during the period	9
Changes in estimate for pre-existing warranties	2
Settlements made during the period (in cash or in kind)	(8		)
Foreign currency translation and other	2
Accrual balance at end of period	$	63

In September 2016, one of the Company's OEM customers initiated a recall to enhance airbag deployment systems in certain vehicles. Aptiv's Advanced Safety and User Experience segment had supplied sensors and related control modules for the airbags in the affected vehicles. During the first quarter of 2017, Aptiv reached an agreement with its customer related to this matter and recognized $43 million of warranty expense within cost of sales during the three months endedMarch 31, 2017.

7. RESTRUCTURING

Aptiv’s restructuring activities are undertaken as necessary to implement management’s strategy, streamline operations, take advantage of available capacity and resources, and ultimately achieve net cost reductions. These activities generally relate to the realignment of existing manufacturing capacity and closure of facilities and other exit or disposal activities, as it relates to executing Aptiv’s strategy, either in the normal course of business or pursuant to significant restructuring programs.

As part of Aptiv's continued efforts to optimize its cost structure, it has undertaken several restructuring programs which include workforce reductions as well as plant closures. These programs are primarily focused on the continued rotation of our manufacturing footprint to best cost locations in Europe and on reducing global overhead costs, including programs

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implemented to realign the Company's organizational structure due to changes in roles and workforce as a result of the spin-off of the former Powertrain Systems segment. The Company recorded employee-related and other restructuring charges related to these programs totaling approximately $20 million during the three months endedMarch 31, 2018, which is primarily comprised of $12 million recognized for programs focused on the continued rotation of our manufacturing footprint to best cost locations in Europe, as well as for programs implemented to reduce global overhead costs.

Restructuring costs of approximately $52 million were recorded during the three months endedMarch 31, 2017, which included the recognition of approximately $36 million of employee-related and other costs related to the closure of an Advanced Safety and User Experience Western European manufacturing site, pursuant to the Company's on-going European footprint rotation strategy.

Restructuring charges for employee separation and termination benefits are paid either over the severance period or in a lump sum in accordance with either statutory requirements or individual agreements. Aptiv incurred cash expenditures related to its restructuring programs of approximately $36 million and $34 million in the three months endedMarch 31, 2018 and 2017, respectively.

The following table summarizes the restructuring charges recorded for the three months endedMarch 31, 2018 and 2017 by operating segment:

	Three Months Ended March 31,
	2018		2017
	(in millions)
Signal and Power Solutions	$	18	$	13
Advanced Safety and User Experience	2		39
Total	$	20	$	52

The table below summarizes the activity in the restructuring liability for the three months endedMarch 31, 2018:

	Employee Termination Benefits Liability			Other Exit Costs Liability		Total
	(in millions)
Accrual balance at January 1, 2018	$	131		$	1	$	132
Provision for estimated expenses incurred during the period	20			—		20
Payments made during the period	(36		)	—		(36		)
Foreign currency and other	5			—		5
Accrual balance at March 31, 2018	$	120		$	1	$	121

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8. DEBT

The following is a summary of debt outstanding, net of unamortized issuance costs and discounts, as of March 31, 2018 and December 31, 2017, respectively:

	March 31, 2018			December 31, 2017
	(in millions)
3.15%, senior notes, due 2020 (net of $2 and $2 unamortized issuance costs and $1 and $1 discount, respectively)	$	647		$	647
4.15%, senior notes, due 2024 (net of $4 and $4 unamortized issuance costs and $1 and $1 discount, respectively)	695			695
1.50%, Euro-denominated senior notes, due 2025 (net of $4 and $4 unamortized issuance costs and $3 and $3 discount, respectively)	855			833
4.25%, senior notes, due 2026 (net of $4 and $4 unamortized issuance costs, respectively)	646			646
1.60%, Euro-denominated senior notes, due 2028 (net of $4 and $4 unamortized issuance costs and $0 and $1 discount, respectively)	611			595
4.40%, senior notes, due 2046 (net of $3 and $3 unamortized issuance costs and $2 and $2 discount, respectively)	295			295
Tranche A Term Loan, due 2021 (net of $1 and $2 unamortized issuance costs, respectively)	394			396
Capital leases and other	80			42
Total debt	4,223			4,149
Less: current portion	(60		)	(17		)
Long-term debt	$	4,163		$	4,132

Credit Agreement

Aptiv PLC and its wholly-owned subsidiary Delphi Corporation entered into a credit agreement (the "Credit Agreement") with JPMorgan Chase Bank, N.A., as administrative agent (the "Administrative Agent"), under which it maintains senior secured credit facilities currently consisting of a term loan (the “Tranche A Term Loan”) and a revolving credit facility of $2.0 billion (the “Revolving Credit Facility”). The Credit Agreement was entered into in March 2011 and has been subsequently amended and restated on several occasions, most recently on August 17, 2016. The 2016 amendment extended the maturity of the Revolving Credit Facility and the Tranche A Term Loan from 2018 to 2021, increased the capacity of the Revolving Credit Facility from $1.5 billion to $2.0 billion and permitted Aptiv PLC to act as a borrower on the Revolving Credit Facility.

The Tranche A Term Loan and the Revolving Credit Facility mature on August 17, 2021. Beginning in the fourth quarter of 2017, Aptiv was obligated to begin making quarterly principal payments throughout the term of the Tranche A Term Loan, according to the amortization schedule in the Credit Agreement. The Credit Agreement also contains an accordion feature that permits Aptiv to increase, from time to time, the aggregate borrowing capacity under the Credit Agreement by up to an additional $1 billion (or a greater amount based upon a formula set forth in the Credit Agreement) upon Aptiv's request, the agreement of the lenders participating in the increase, and the approval of the Administrative Agent and existing lenders.

As of March 31, 2018, there were no amounts drawn on the Revolving Credit Facility and approximately $7 million in letters of credit issued under the Credit Agreement. Letters of credit issued under the Credit Agreement reduce availability under the Revolving Credit Facility.

Loans under the Credit Agreement bear interest, at Aptiv's option, at either (a) the Administrative Agent’s Alternate Base Rate (“ABR” as defined in the Credit Agreement) or (b) the London Interbank Offered Rate (the “Adjusted LIBO Rate” as defined in the Credit Agreement) (“LIBOR”) plus in either case a percentage per annum as set forth in the table below (the “Applicable Rate”). The Applicable Rates under the Credit Agreement on the specified dates are set forth below:

	March 31, 2018				December 31, 2017
	LIBOR plus		ABR plus		LIBOR plus		ABR plus
Revolving Credit Facility	1.10	%	0.10	%	1.10	%	0.10	%
Tranche A Term Loan	1.25	%	0.25	%	1.25	%	0.25	%

The Applicable Rate under the Credit Agreement may increase or decrease from time to time based on changes in the Company's credit ratings. Accordingly, the interest rate will fluctuate during the term of the Credit Agreement based on changes

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in the ABR, LIBOR or future changes in the Company's corporate credit ratings. The Credit Agreement also requires that Aptiv pay certain facility fees on the Revolving Credit Facility and certain letter of credit issuance and fronting fees.

The interest rate period with respect to LIBOR interest rate options can be set at one-, two-, three-, or six-months as selected by Aptiv in accordance with the terms of the Credit Agreement (or other period as may be agreed by the applicable lenders). Aptiv may elect to change the selected interest rate option in accordance with the provisions of the Credit Agreement. As of March 31, 2018, Aptiv selected the one-month LIBOR interest rate option on the Tranche A Term Loan, and the rate effective as of March 31, 2018, as detailed in the table below, was based on the Company's current credit rating and the Applicable Rate for the Credit Agreement:

		Borrowings as of
		March 31, 2018		Rate effective as of
	Applicable Rate	(in millions)		March 31, 2018
Tranche A Term Loan	LIBOR plus 1.25%	$	395	3.06	%

Borrowings under the Credit Agreement are prepayable at Aptiv's option without premium or penalty.

The Credit Agreement contains certain covenants that limit, among other things, the Company’s (and the Company’s subsidiaries’) ability to incur certain additional indebtedness or liens or to dispose of substantially all of its assets. In addition, the Credit Agreement requires that the Company maintain a consolidated leverage ratio (the ratio of Consolidated Total Indebtedness to Consolidated EBITDA, each as defined in the Credit Agreement) of less than 3.50 to 1.0. The Credit Agreement also contains events of default customary for financings of this type. The Company was in compliance with the Credit Agreement covenants as of March 31, 2018.

As of March 31, 2018, all obligations under the Credit Agreement were borrowed by Delphi Corporation and jointly and severally guaranteed by its direct and indirect parent companies, subject to certain exceptions set forth in the Credit Agreement. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements for additional information.

Senior Unsecured Notes

On March 3, 2014, Delphi Corporation issued $700 million in aggregate principal amount of 4.15% senior unsecured notes due 2024 (the “2014 Senior Notes”) in a transaction registered under the Securities Act. The 2014 Senior Notes were priced at 99.649% of par, resulting in a yield to maturity of 4.193%. The proceeds were primarily utilized to redeem $500 million of 5.875% senior unsecured notes due 2019 and to repay a portion of the Tranche A Term Loan. Aptiv paid approximately $6 million of issuance costs in connection with the 2014 Senior Notes. Interest is payable semi-annually on March 15 and September 15 of each year to holders of record at the close of business on March 1 or September 1 immediately preceding the interest payment date.

On March 10, 2015, Aptiv PLC issued €700 million in aggregate principal amount of 1.50% Euro-denominated senior unsecured notes due 2025 (the “2015 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2015 Euro-denominated Senior Notes were priced at 99.54% of par, resulting in a yield to maturity of 1.55%. The proceeds were primarily utilized to redeem $500 million of 6.125% senior unsecured notes due 2021, and to fund growth initiatives, such as acquisitions, and share repurchases. Aptiv incurred approximately $5 million of issuance costs in connection with the 2015 Euro-denominated Senior Notes. Interest is payable annually on March 10. The Company has designated the 2015 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities for further information.

On November 19, 2015, Aptiv PLC issued $1.3 billion in aggregate principal amount of senior unsecured notes in a transaction registered under the Securities Act, comprised of $650 million of 3.15% senior unsecured notes due 2020 (the "3.15% Senior Notes") and $650 million of 4.25% senior unsecured notes due 2026 (the "4.25% Senior Notes") (collectively, the "2015 Senior Notes"). The 3.15% Senior Notes were priced at 99.784% of par, resulting in a yield to maturity of 3.197%, and the 4.25% Senior Notes were priced at 99.942% of par, resulting in a yield to maturity of 4.256%. The proceeds were primarily utilized to fund a portion of the cash consideration for the acquisition of HellermannTyton PLC and for general corporate purposes, including the payment of fees and expenses associated with the HellermannTyton PLC acquisition and the related financing transaction. Aptiv incurred approximately $8 million of issuance costs in connection with the 2015 Senior Notes. Interest on the 3.15% Senior Notes is payable semi-annually on May 19 and November 19 of each year to holders of record at the close of business on May 4 or November 4 immediately preceding the interest payment date. Interest on the 4.25% Senior Notes is payable semi-annually on January 15 and July 15 of each year to holders of record at the close of business on January 1 or July 1 immediately preceding the interest payment date.

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On September 15, 2016, Aptiv PLC issued €500 million in aggregate principal amount of 1.60% Euro-denominated senior unsecured notes due 2028 (the “2016 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2016 Euro-denominated Senior Notes were priced at 99.881% of par, resulting in a yield to maturity of 1.611%. The proceeds, together with proceeds from the 2016 Senior Notes described below, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $4 million of issuance costs in connection with the 2016 Euro-denominated Senior Notes. Interest is payable annually on September 15. The Company has designated the 2016 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities for further information.

On September 20, 2016, Aptiv PLC issued $300 million in aggregate principal amount of 4.40% senior unsecured notes due 2046 (the “2016 Senior Notes”) in a transaction registered under the Securities Act. The 2016 Senior Notes were priced at 99.454% of par, resulting in a yield to maturity of 4.433%. The proceeds, together with proceeds from the 2016 Euro-denominated Senior Notes, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $3 million of issuance costs in connection with the 2016 Senior Notes. Interest is payable semi-annually on April 1 and October 1 of each year to holders of record at the close of business on March 15 or September 15 immediately preceding the interest payment date.

Although the specific terms of each indenture governing each series of senior notes vary, the indentures contain certain restrictive covenants, including with respect to Aptiv's (and Aptiv's subsidiaries) ability to incur liens, enter into sale and leaseback transactions and merge with or into other entities. As of March 31, 2018, the Company was in compliance with the provisions of all series of the outstanding senior notes.

The 2014 Senior Notes were issued by Delphi Corporation. The 2014 Senior Notes are fully and unconditionally guaranteed, jointly and severally, by Aptiv PLC and by certain of Aptiv PLC's direct and indirect subsidiaries which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions (other than in the case of Aptiv PLC). The 2015 Euro-denominated Senior Notes, 2015 Senior Notes, 2016 Euro-denominated Senior Notes and 2016 Senior Notes issued by Aptiv PLC are fully and unconditionally guaranteed, jointly and severally, by certain of Aptiv PLC's direct and indirect subsidiaries (including Delphi Corporation), which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements for additional information.

Other Financing

Receivable factoring—Aptiv maintains a €300 million European accounts receivable factoring facility that is available on a committed basis. This facility is accounted for as short-term debt and borrowings are subject to the availability of eligible accounts receivable. Collateral is not required related to these trade accounts receivable. This program renews on a non-committed, indefinite basis unless terminated by either party. Borrowings bear interest at Euro Interbank Offered Rate ("EURIBOR") plus 0.42% for borrowings denominated in Euros. No amounts were outstanding on the European accounts receivable factoring facility as of March 31, 2018 or December 31, 2017.

Capital leases and other—As of March 31, 2018 and December 31, 2017, approximately $80 million and $42 million, respectively, of other debt primarily issued by certain non-U.S. subsidiaries and capital lease obligations was outstanding.

Interest—Cash paid for interest related to debt outstanding totaled $45 million and $43 million for the three months endedMarch 31, 2018 and 2017, respectively.

9. PENSION BENEFITS

Certain of Aptiv’s non-U.S. subsidiaries sponsor defined benefit pension plans, which generally provide benefits based on negotiated amounts for each year of service. Aptiv’s primary non-U.S. plans are located in France, Germany, Mexico, Portugal and the United Kingdom (“U.K.”). The U.K. and certain Mexican plans are funded. In addition, Aptiv has defined benefit plans in South Korea, Turkey and Italy for which amounts are payable to employees immediately upon separation. The obligations for these plans are recorded over the requisite service period.

Aptiv sponsors a Supplemental Executive Retirement Program (“SERP”) for those employees who were U.S. executives of DPHH prior to September 30, 2008 and were still U.S. executives of the Company on October 7, 2009, the effective date of the program. This program is unfunded. Executives receive benefits over 5 years after an involuntary or voluntary separation from Aptiv. The SERP is closed to new members.

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The amounts shown below reflect the defined benefit pension expense for the three months endedMarch 31, 2018 and 2017:

	Non-U.S. Plans						U.S. Plans
	Three Months Ended March 31,
	2018			2017			2018		2017
	(in millions)
Service cost	$	5		$	4		$	—	$	—
Interest cost	7			7			—		—
Expected return on plan assets	(6		)	(6		)	—		—
Curtailment loss	1			—			—		—
Amortization of actuarial losses	4			3			—		—
Net periodic benefit cost	$	11		$	8		$	—	$	—

Other postretirement benefit obligations were approximately $4 million and $4 million at March 31, 2018 and December 31, 2017, respectively.

10. COMMITMENTS AND CONTINGENCIES

Ordinary Business Litigation

Aptiv is from time to time subject to various legal actions and claims incidental to its business, including those arising out of alleged defects, alleged breaches of contracts, product warranties, intellectual property matters, and employment-related matters. It is the opinion of Aptiv that the outcome of such matters will not have a material adverse impact on the consolidated financial position, results of operations, or cash flows of Aptiv. With respect to warranty matters, although Aptiv cannot ensure that the future costs of warranty claims by customers will not be material, Aptiv believes its established reserves are adequate to cover potential warranty settlements.

Unsecured Creditors Litigation

Aptiv was subject to ongoing litigation related to general unsecured claims against the former Delphi Corporation, now known as DPHH, resulting from that entity's 2005 bankruptcy filing. The Fourth Amended and Restated Limited Liability Partnership Agreement of Delphi Automotive LLP (the “Fourth LLP Agreement”) was entered into on July 12, 2011 by the members of Delphi Automotive LLP in order to position the Company for its initial public offering. Under the terms of the Fourth LLP Agreement, if cumulative distributions to the members of Delphi Automotive LLP under certain provisions of the Fourth LLP Agreement exceed $7.2 billion, Aptiv, as disbursing agent on behalf of DPHH, is required to pay to the holders of allowed general unsecured claims against DPHH $32.50 for every $67.50 in excess of $7.2 billion distributed to the members, up to a maximum amount of $300 million. On January 12, 2017, the United States Bankruptcy Court for the Southern District of New York (the "Bankruptcy Court") granted summary judgment in favor of the unsecured creditors and thus the $300 million maximum distribution for general unsecured claims was triggered. In connection with the January 2017 ruling, the Company recorded a reserve of $300 million in the fourth quarter of 2016. In March 2017, the Bankruptcy Court issued a ruling on the application of pre-judgment interest owed on the amount of the distribution to be made to the holders of general unsecured claims. Pursuant to this ruling, Aptiv recorded an additional reserve of $27 million during the three months ended March 31, 2017.

During the second quarter of 2017, Aptiv and the plaintiffs reached an agreement to settle this matter for $310 million, which was subsequently approved by the Bankruptcy Court. In July 2017, the Company paid the $310 million settlement pursuant to the terms of the settlement agreement.

Brazil Matters

Aptiv conducts business operations in Brazil that are subject to the Brazilian federal labor, social security, environmental, tax and customs laws, as well as a variety of state and local laws. While Aptiv believes it complies with such laws, they are complex, subject to varying interpretations, and the Company is often engaged in litigation with government agencies regarding the application of these laws to particular circumstances. As of March 31, 2018, the majority of claims asserted against Aptiv in Brazil relate to such litigation. The remaining claims in Brazil relate to commercial and labor litigation with private parties. As of March 31, 2018, claims totaling approximately $180 million (using March 31, 2018 foreign currency

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rates) have been asserted against Aptiv in Brazil. As of March 31, 2018, the Company maintains accruals for these asserted claims of $25 million (using March 31, 2018 foreign currency rates). The amounts accrued represent claims that are deemed probable of loss and are reasonably estimable based on the Company’s analyses and assessment of the asserted claims and prior experience with similar matters. While the Company believes its accruals are adequate, the final amounts required to resolve these matters could differ materially from the Company’s recorded estimates and Aptiv’s results of operations could be materially affected. The Company estimates the reasonably possible loss in excess of the amounts accrued related to these claims to be zero to $155 million.

Environmental Matters

Aptiv is subject to the requirements of U.S. federal, state, local and non-U.S. environmental and safety and health laws and regulations. As of March 31, 2018 and December 31, 2017, the undiscounted reserve for environmental investigation and remediation was approximately $5 million (of which $1 million was recorded in accrued liabilities and $4 million was recorded in other long-term liabilities) and $4 million (which was recorded in other long-term liabilities), respectively. Aptiv cannot ensure that environmental requirements will not change or become more stringent over time or that its eventual environmental remediation costs and liabilities will not exceed the amount of its current reserves. In the event that such liabilities were to significantly exceed the amounts recorded, Aptiv’s results of operations could be materially affected. At March 31, 2018, the difference between the recorded liabilities and the reasonably possible range of potential loss was not material.

11. INCOME TAXES

At the end of each interim period, the Company makes its best estimate of the annual expected effective income tax rate and applies that rate to its ordinary year-to-date earnings or loss. The income tax provision or benefit related to unusual or infrequent items, if applicable, that will be separately reported or reported net of their related tax effects are individually computed and recognized in the interim period in which those items occur. In addition, the effect of changes in enacted tax laws or rates, tax status, judgment on the realizability of a beginning-of-the-year deferred tax asset in future years or income tax contingencies is recognized in the interim period in which the change occurs.

The computation of the annual expected effective income tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the expected pre-tax income (or loss) for the year, projections of the proportion of income (and/or loss) earned and taxed in respective jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. Jurisdictions with a projected loss for the year or a year-to-date loss for which no tax benefit or expense can be recognized due to a valuation allowance are excluded from the estimated annual effective tax rate. The impact of such an exclusion could result in a higher or lower effective tax rate during a particular quarter, based upon the composition and timing of actual earnings compared to annual projections. The estimates used to compute the provision or benefit for income taxes may change as new events occur, additional information is obtained or as our tax environment changes. To the extent that the expected annual effective income tax rate changes, the effect of the change on prior interim periods is included in the income tax provision in the period in which the change in estimate occurs.

The Company's income tax expense and effective tax rate for the three months endedMarch 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
	(dollars in millions)
Income tax expense	$	59		$	19
Effective tax rate	16		%	8		%

The Company’s tax rate is affected by the fact that its parent entity was a U.K. resident taxpayer through March 31, 2018, the tax rates in the U.K. and other jurisdictions in which the Company operates, the relative amount of income earned by jurisdiction and the relative amount of losses or income for which no tax benefit or expense was recognized due to a valuation allowance. The Company’s effective tax rate was impacted by unfavorable changes in geographic income mix in 2018 as compared to 2017, primarily due to changes in the underlying business operations and the receipt of certain tax incentives and holidays that reduced the effective tax rate for certain subsidiaries below the statutory rate during the three months endedMarch 31, 2017.

The Company’s effective tax rate for the three months endedMarch 31, 2018 also includes net discrete tax benefits of $1 million, primarily related to changes in reserves, offset by provision to return adjustments. The effective tax rate for the three

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months endedMarch 31, 2017 includes net discrete tax benefits of $8 million, primarily related to provision to return adjustments.

The Tax Cuts and Jobs Act (the "Tax Legislation") was enacted in the United States on December 22, 2017, significantly revising the U.S. corporate income tax by, among other things, lowering corporate income tax rates and imposing a one-time repatriation tax on deemed repatriated earnings of foreign subsidiaries. Pursuant to ASU 2018-05, Income Taxes (Topic 740): Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118, the Company recognized the provisional effects of the enactment of the Tax Legislation of approximately $50 million during the year ended December 31, 2017 for which measurement could be reasonably estimated. The impact was primarily the result of increased tax expense due to the one-time deemed repatriation tax and a reduction of our foreign tax credit, partially offset by the favorable impact of the reduced tax rate on the Company’s net deferred tax liabilities. Pursuant to ASU 2018-05, adjustments to the provisional amounts recorded by the Company as of December 31, 2017 that are identified within a subsequent measurement period of up to one year from the enactment date will be included as an adjustment to tax expense from continuing operations in the period the amounts are determined. To-date in 2018, the U.S. Treasury Department and the Internal Revenue Service ("IRS") have issued additional guidance, particularly with respect to computing the transition tax on the untaxed foreign earnings of foreign subsidiaries. As the Company has not yet fully completed its analysis of this recent guidance, no adjustments have been made during the three months endedMarch 31, 2018 to the provisional amounts previously recorded. The Company continues to refine its assessment through further analysis of certain aspects of the Tax Legislation and the recently issued guidance. Accordingly, the ultimate impact of the Tax Legislation may differ from these estimates due to its continued analysis or further regulatory guidance that may be issued.

Aptiv PLC was a U.K. resident taxpayer, and became an Irish resident taxpayer in April 2018. As the Company is not a domestic corporation for U.S. federal income tax purposes, it is not subject to U.S. tax on remitted foreign earnings. Aptiv PLC was generally not subject to U.K. tax on the repatriation of foreign earnings and, as a result of its capital structure, believes it will also not be subject to Irish tax subsequent to becoming an Irish resident taxpayer.

Cash paid or withheld for income taxes was $52 million and $63 million for the three months endedMarch 31, 2018 and 2017 respectively.

12. SHAREHOLDERS’ EQUITY AND NET INCOME PER SHARE

Net Income Per Share

Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. For all periods presented, the calculation of diluted net income per share contemplates the dilutive impacts, if any, of the Company’s share-based compensation plans. Refer to Note 18. Share-Based Compensation for additional information.

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Weighted Average Shares

The following table illustrates net income per share attributable to Aptiv and the weighted average shares outstanding used in calculating basic and diluted income per share:

	Three Months Ended March 31,
	2018		2017
	(in millions, except per share data)
Numerator:
Income from continuing operations	$	307	$	220
Income from discontinued operations	—		115
Net income attributable to Aptiv	$	307	$	335
Denominator:
Weighted average ordinary shares outstanding, basic	265.69		269.20
Dilutive shares related to restricted stock units ("RSUs")	0.75		0.34
Weighted average ordinary shares outstanding, including dilutive shares	266.44		269.54
Basic net income per share:
Continuing operations	$	1.16	$	0.82
Discontinued operations	—		0.42
Basic net income per share attributable to Aptiv	$	1.16	$	1.24
Diluted net income per share:
Continuing operations	$	1.15	$	0.82
Discontinued operations	—		0.42
Diluted net income per share attributable to Aptiv	$	1.15	$	1.24
Anti-dilutive securities share impact	—		—

Share Repurchase Program

In April 2016, the Board of Directors authorized a share repurchase program of up to $1.5 billion of ordinary shares, which commenced in September 2016 following the completion of the Company's $1.5 billion January 2015 share repurchase program. This share repurchase program provides for share purchases in the open market or in privately negotiated transactions, depending on share price, market conditions and other factors, as determined by the Company.

A summary of the ordinary shares repurchased during the three months endedMarch 31, 2018 and 2017 is as follows:

	Three Months Ended March 31,
	2018		2017
Total number of shares repurchased	1,676,144		2,555,703
Average price paid per share	$	89.17	$	75.52
Total (in millions)	$	149	$	193

As of March 31, 2018, approximately $840 million of share repurchases remained available under the April 2016 share repurchase program. All repurchased shares were retired, and are reflected as a reduction of ordinary share capital for the par value of the shares, with the excess applied as reductions to additional paid-in-capital and retained earnings.

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Dividends

The Company has declared and paid cash dividends per ordinary share during the periods presented as follows:

	Dividend		Amount
	Per Share		(in millions)
2018:
First quarter	$	0.22	$	59
Total	$	0.22	$	59
2017:
Fourth quarter	$	0.29	$	77
Third quarter	0.29		77
Second quarter	0.29		78
First quarter	0.29		78
Total	$	1.16	$	310

In addition, in April 2018, the Board of Directors declared a regular quarterly cash dividend of $0.22 per ordinary share, payable May 23, 2018 to shareholders of record at the close of business on May 9, 2018.

Other

On December 4, 2017, Aptiv distributed the issued and outstanding ordinary shares of Delphi Technologies to the Company's shareholders. The Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Shareholders received cash in lieu of any fractional ordinary shares of Delphi Technologies.

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13. CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The changes in accumulated other comprehensive income (loss) attributable to Aptiv (net of tax) for the three months endedMarch 31, 2018 and 2017 are shown below. Prior period other comprehensive income includes activity relating to discontinued operations.

	Three Months Ended March 31,
	2018			2017
	(in millions)
Foreign currency translation adjustments:
Balance at beginning of period	$	(369	)	$	(799	)
Aggregate adjustment for the period (1)	57			85
Balance at end of period	(312		)	(714		)
Gains (losses) on derivatives:
Balance at beginning of period	4			(11		)
Other comprehensive income before reclassifications (net tax effect of $4 and $15)	(18		)	26
Reclassification to income (net tax effect of $1 and $9)	(5		)	13
Balance at end of period	(19		)	28
Pension and postretirement plans:
Balance at beginning of period	(106		)	(405		)
Other comprehensive income before reclassifications (net tax effect of $1 and $3)	(3		)	(3		)
Reclassification to income (net tax effect of $0 and $2)	4			7
Balance at end of period	(105		)	(401		)
Accumulated other comprehensive loss, end of period	$	(436	)	$	(1,087	)

(1) Includes losses of $37 million and $30 million for the three months endedMarch 31, 2018 and 2017, respectively, related to non-derivative net investment hedges, principally offset by the foreign currency impact of intra-entity loans that are of a long-term investment nature in each period. Refer to Note 14. Derivatives and Hedging Activities for further description of these hedges.

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Reclassifications from accumulated other comprehensive income (loss) to income for the three months endedMarch 31, 2018 and 2017 were as follows:

Reclassification Out of Accumulated Other Comprehensive Income (Loss)
Details About Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement of Operations
	2018			2017
	(in millions)
Gains (losses) on derivatives:
Commodity derivatives	$	9		$	1		Cost of sales
Foreign currency derivatives	(5		)	(23		)	Cost of sales
	4			(22		)	Income before income taxes
	1			9			Income tax expense
	5			(13		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	5		$	(13	)	Net income attributable to Aptiv
Pension and postretirement plans:
Actuarial losses	$	(4	)	$	(9	)	Other income (expense), net (1)
	(4		)	(9		)	Income before income taxes
	—			2			Income tax expense
	(4		)	(7		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	(4	)	$	(7	)	Net income attributable to Aptiv
Total reclassifications for the period	$	1		$	(20	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 9. Pension Benefits for additional details).

14. DERIVATIVES AND HEDGING ACTIVITIES

Cash Flow Hedges

Aptiv is exposed to market risk, such as fluctuations in foreign currency exchange rates, commodity prices and changes in interest rates, which may result in cash flow risks. To manage the volatility relating to these exposures, Aptiv aggregates the exposures on a consolidated basis to take advantage of natural offsets. For exposures that are not offset within its operations, Aptiv enters into various derivative transactions pursuant to its risk management policies, which prohibit holding or issuing derivative financial instruments for speculative purposes, and designation of derivative instruments is performed on a transaction basis to support hedge accounting. The changes in fair value of these hedging instruments are offset in part or in whole by corresponding changes in the fair value or cash flows of the underlying exposures being hedged. Aptiv assesses the initial and ongoing effectiveness of its hedging relationships in accordance with its documented policy.

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As of March 31, 2018, the Company had the following outstanding notional amounts related to commodity and foreign currency forward and option contracts designated as cash flow hedges that were entered into to hedge forecasted exposures:

Commodity	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in thousands)		(in millions)
Copper	74,845	pounds	$	230

Foreign Currency	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in millions)
Mexican Peso	12,078	MXN	$	660
Chinese Yuan Renminbi	2,192	RMB	350
Polish Zloty	321	PLN	95
New Turkish Lira	145	TRY	35

The Company had additional foreign currency forward contracts designated as cash flow hedges with notional amounts that individually amounted to less than $10 million. As of March 31, 2018, Aptiv has entered into derivative instruments to hedge cash flows extending out to March 2020.

Gains and losses on derivatives qualifying as cash flow hedges are recorded in other comprehensive income ("OCI"), to the extent that hedges are effective, until the underlying transactions are recognized in earnings. Unrealized amounts in accumulated OCI will fluctuate based on changes in the fair value of hedge derivative contracts at each reporting period. Net gains on cash flow hedges included in accumulated OCI as of March 31, 2018 were $3 million ($13 million, net of tax), which are expected to be included in cost of sales within the next 12 months. Cash flow hedges are discontinued when Aptiv determines it is no longer probable that the originally forecasted transactions will occur. The amount included in cost of sales related to hedge ineffectiveness was insignificant for the three months endedMarch 31, 2018 and 2017. Cash flows from derivatives used to manage commodity and foreign exchange risks are classified as operating activities within the consolidated statement of cash flows.

Net Investment Hedges

The Company is also exposed to the risk that adverse changes in foreign currency exchange rates could impact its net investment in non-U.S. subsidiaries. To manage this risk, the Company designates certain qualifying derivative and non-derivative instruments, including foreign currency forward contracts and foreign currency-denominated debt, as net investment hedges of certain non-U.S. subsidiaries. The effective portion of the gains or losses on instruments designated as net investment hedges are recognized within OCI to offset changes in the value of the net investment in these foreign currency-denominated operations. Any ineffective portion of gains or losses on net investment hedges are reclassified to other income (expense), net within the consolidated statement of operations. Gains and losses reported in accumulated other comprehensive income (loss) are reclassified to earnings only when the related currency translation adjustments are required to be reclassified, usually upon sale or liquidation of the investment. Cash flows from derivatives designated as net investment hedges are classified as investing activities within the consolidated statement of cash flows.

Since the first quarter of 2016, the Company has entered into a series of forward contracts, each of which have been designated as net investment hedges of the foreign currency exposure of the Company's investments in certain Chinese Yuan Renminbi ("RMB")-denominated subsidiaries. In December 2016, the Company entered into a forward contract with a notional amount of 1.8 billion RMB (approximately $265 million, using December 31, 2016 foreign currency rates), which matured in June 2017, and the Company paid $12 million at settlement. In June 2017, the Company entered into a forward contract with a notional amount of 2.4 billion RMB (approximately $345 million, using June 30, 2017 foreign currency rates), which matured in December 2017, and the Company paid $16 million at settlement. In December 2017, the Company entered into a forward contract with a notional amount of 1.9 billion RMB (approximately $290 million, using December 31, 2017 foreign currency rates), which matures in June 2018. Refer to the tables below for details of the fair value recorded in the consolidated balance sheet and the effects recorded in the consolidated statement of operations and consolidated statement of comprehensive income related to these derivative instruments.

The Company has designated the €700 million 2015 Euro-denominated Senior Notes and the €500 million 2016 Euro-denominated Senior Notes, as more fully described in Note 8. Debt, as net investment hedges of the foreign currency exposure of its investments in certain Euro-denominated subsidiaries. Due to changes in the value of the Euro-denominated debt instruments designated as net investment hedges, during the three months endedMarch 31, 2018 and 2017, $37 million and

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$30 million, respectively, of losses were recognized within the cumulative translation adjustment component of OCI. Cumulative losses included in accumulated OCI on these net investment hedges were $154 million as of March 31, 2018 and $117 million as of December 31, 2017. There were no amounts reclassified or recognized for ineffectiveness during the three months endedMarch 31, 2018 or 2017.

Derivatives Not Designated as Hedges

In certain occasions the Company enters into certain foreign currency and commodity contracts that are not designated as hedges. When hedge accounting is not applied to derivative contracts, gains and losses are recorded to other income (expense), net and cost of sales in the consolidated statement of operations.

As more fully disclosed in Note 17. Acquisitions and Divestitures, on February 28, 2018, Aptiv agreed to acquire KUM. In conjunction with the proposed acquisition, in March 2018, the Company entered into forward contracts, requiring no initial net investment, with notional amounts totaling 559 billion South Korean Won ("KRW") (approximately $520 million using March 1, 2018 foreign currency rates) to hedge portions of the currency risk associated with the cash payment for the acquisition. Pursuant to the requirements of ASC 815, Derivatives and Hedging, the forwards do not qualify as hedges for accounting purposes, and therefore, changes in the fair value of the forwards are recognized in other income (expense), net. The forwards expire in the third quarter of 2018. During the three months endedMarch 31, 2018, the change in fair value resulted in a pre-tax gain of $11 million included within other income (expense), net in the consolidated statement of operations.

Fair Value of Derivative Instruments in the Balance Sheet

The fair value of derivative financial instruments recorded in the consolidated balance sheets as of March 31, 2018 and December 31, 2017 are as follows:

	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	March 31, 2018		Balance Sheet Location	March 31, 2018		March 31, 2018
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	9	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	22		Other current assets	8		$	14
Foreign currency derivatives*	Accrued liabilities	3		Accrued liabilities	15		(12		)
Foreign currency derivatives*	Other long-term assets	2		Other long-term assets	—		2
Foreign currency derivatives*	Other long-term liabilities	3		Other long-term liabilities	8		(5		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	18
Total derivatives designated as hedges		$	39		$	49
Derivatives not designated:
Foreign currency derivatives*	Other current assets	$	11	Other current assets	$	—	11
Total derivatives not designated as hedges		$	11		$	—

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	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	December 31, 2017		Balance Sheet Location	December 31, 2017		December 31, 2017
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	27	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	3		Other current assets	—		$	3
Foreign currency derivatives*	Accrued liabilities	7		Accrued liabilities	17		(10		)
Commodity derivatives	Other long-term assets	8		Other long-term liabilities	—
Foreign currency derivatives*	Other long-term liabilities	—		Other long-term liabilities	11		(11		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	5
Total derivatives designated as hedges		$	45		$	33

* Derivative instruments within this category are subject to master netting arrangements and are presented on a net basis in the consolidated balance sheets in accordance with accounting guidance related to the offsetting of amounts related to certain contracts.

The fair value of Aptiv’s derivative financial instruments was in a net asset position as of March 31, 2018 and December 31, 2017.

Effect of Derivatives on the Statement of Operations and Statement of Comprehensive Income

The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2018 is as follows:

Three Months Ended March 31, 2018	(Loss) Gain Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	(17	)	$	9		$	—
Foreign currency derivatives	16			(5		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(13		)	—			—
Total	$	(14	)	$	4		$	—

	Gain Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	10
Total	$	10

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The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2017 is as follows:

Three Months Ended March 31, 2017	Gain (Loss) Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	9		$	1		$	—
Foreign currency derivatives	42			(23		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(10		)	—			—
Total	$	41		$	(22	)	$	—

	Loss Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	(4	)
Total	$	(4	)

The gain or loss reclassified from OCI into income for the effective portion of designated derivative instruments and the gain or loss recognized in income for the ineffective portion of designated derivative instruments excluded from effectiveness testing were recorded to other income (expense), net and cost of sales in the consolidated statements of operations for the three months endedMarch 31, 2018 and 2017. The gain or loss recognized in income for non-designated derivative instruments was recorded to other income (expense), net and cost of sales in the consolidated statements of operations for the three months endedMarch 31, 2018 and 2017.

15. FAIR VALUE OF FINANCIAL INSTRUMENTS

Fair Value Measurements on a Recurring Basis

Derivative instruments—All derivative instruments are required to be reported on the balance sheet at fair value unless the transactions qualify and are designated as normal purchases or sales. Changes in fair value are reported currently through earnings unless they meet hedge accounting criteria. Aptiv’s derivative exposures are with counterparties with long-term investment grade credit ratings. Aptiv estimates the fair value of its derivative contracts using an income approach based on valuation techniques to convert future amounts to a single, discounted amount. Estimates of the fair value of foreign currency and commodity derivative instruments are determined using exchange traded prices and rates. Aptiv also considers the risk of non-performance in the estimation of fair value, and includes an adjustment for non-performance risk in the measure of fair value of derivative instruments. The non-performance risk adjustment reflects the credit default spread (“CDS”) applied to the net commodity by counterparty and foreign currency exposures by counterparty. When Aptiv is in a net derivative asset position, the counterparty CDS rates are applied to the net derivative asset position. When Aptiv is in a net derivative liability position, estimates of peer companies’ CDS rates are applied to the net derivative liability position.

In certain instances where market data is not available, Aptiv uses management judgment to develop assumptions that are used to determine fair value. This could include situations of market illiquidity for a particular currency or commodity or where observable market data may be limited. In those situations, Aptiv generally surveys investment banks and/or brokers and utilizes the surveyed prices and rates in estimating fair value.

As of March 31, 2018 and December 31, 2017, Aptiv was in a net derivative asset position of $1 million and $12 million, respectively, and no significant adjustments were recorded for nonperformance risk based on the application of peer companies’ CDS rates, evaluation of our own nonperformance risk and because Aptiv’s exposures were to counterparties with investment grade credit ratings. Refer to Note 14. Derivatives and Hedging Activities for further information regarding derivatives.

Contingent consideration—As described in Note 17. Acquisitions and Divestitures, as of March 31, 2018, additional contingent consideration may be earned as a result of Aptiv's acquisition agreements for nuTonomy, Inc. ("nuTonomy"), Movimento Group ("Movimento"), Control-Tec LLC ("Control-Tec") and Ottomatika, Inc. ("Ottomatika"). The liability for contingent consideration is estimated as of the date of the acquisition and is recorded as part of the purchase price, and is

29

subsequently re-measured to fair value at each reporting date, based on a probability-weighted discounted cash flow analysis using a rate that reflects the uncertainty surrounding the expected outcomes, which the Company believes is appropriate and representative of market participant assumptions. The measurement of the liability for contingent consideration is based on significant inputs that are not observable in the market, and is therefore classified as a Level 3 measurement in accordance with ASU Topic 820-10-35. Examples of utilized unobservable inputs are estimated future earnings of the acquired businesses and applicable discount rates. The estimate of the liability may fluctuate if there are changes in the forecast of the acquired businesses' future earnings, as a result of actual earnings levels achieved or in the discount rates used to determine the present value of contingent future cash flows. As of March 31, 2018, the range of periods in which the earn-out provisions may be achieved is from 2018 to 2020. The Company regularly reviews these assumptions and makes adjustments to the fair value measurements as required by facts and circumstances.

As of March 31, 2018 and December 31, 2017, the liability for contingent consideration was $33 million (of which $8 million was classified within other current liabilities and $25 million was classified within other long-term liabilities) and $33 million (of which $7 million was classified within other current liabilities and $26 million was classified within other long-term liabilities). Adjustments to this liability for interest accretion are recognized in interest expense, and any other changes in the fair value of this liability are recognized within other income (expense), net in the consolidated statement of operations.

The changes in the contingent consideration liability classified as a Level 3 measurement for the three months endedMarch 31, 2018 were as follows:

	Contingent Consideration Liability
	(in millions)
Fair value at beginning of period	$	33
Additions	—
Payments	—
Interest accretion	—
Fair value at end of period	$	33

During the three months endedMarch 31, 2017, the Company paid $20 million of contingent consideration based on the actual level of earnings of the acquired businesses during the contractual earn-out period.

As of March 31, 2018 and December 31, 2017, Aptiv had the following assets measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Commodity derivatives	$	9	$	—	$	9	$	—
Foreign currency derivatives	27		—		27		—
Total	$	36	$	—	$	36	$	—
As of December 31, 2017:
Commodity derivatives	$	35	$	—	$	35	$	—
Foreign currency derivatives	3		—		3		—
Total	$	38	$	—	$	38	$	—

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As of March 31, 2018 and December 31, 2017, Aptiv had the following liabilities measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Foreign currency derivatives	$	35	$	—	$	35	$	—
Contingent consideration	33		—		—		33
Total	$	68	$	—	$	35	$	33
As of December 31, 2017:
Foreign currency derivatives	$	26	$	—	$	26	$	—
Contingent consideration	33		—		—		33
Total	$	59	$	—	$	26	$	33

Non-derivative financial instruments—Aptiv's non-derivative financial instruments include cash and cash equivalents, accounts and notes receivable, accounts payable, as well as debt, which consists of its accounts receivable factoring arrangement, capital leases and other debt issued by Aptiv’s non-U.S. subsidiaries, the Revolving Credit Facility, the Tranche A Term Loan and all series of outstanding senior notes. The fair value of debt is based on quoted market prices for instruments with public market data or significant other observable inputs for instruments without a quoted public market price (Level 2). As of March 31, 2018 and December 31, 2017, total debt was recorded at $4,223 million and $4,149 million, respectively, and had estimated fair values of $4,272 million and $4,289 million, respectively. For all other financial instruments recorded at March 31, 2018 and December 31, 2017, fair value approximates book value.

Fair Value Measurements on a Nonrecurring Basis

In addition to items that are measured at fair value on a recurring basis, Aptiv also has items in its balance sheet that are measured at fair value on a nonrecurring basis. As these items are not measured at fair value on a recurring basis, they are not included in the tables above. Nonfinancial assets and liabilities that are measured at fair value on a nonrecurring basis include certain long-lived assets, equity investments, intangible assets, asset retirement obligations, share-based compensation and liabilities for exit or disposal activities measured at fair value upon initial recognition. During the three months endedMarch 31, 2018, Aptiv recorded no non-cash asset impairment charges. During the three months endedMarch 31, 2017, Aptiv recorded non-cash asset impairment charges totaling $1 million within cost of sales related to declines in the fair values of certain fixed assets. Fair value of long-lived assets is determined primarily using the anticipated cash flows discounted at a rate commensurate with the risk involved and a review of appraisals. As such, Aptiv has determined that the fair value measurements of long-lived assets fall in Level 3 of the fair value hierarchy.

16. OTHER INCOME, NET

Other income (expense), net included:

	Three Months Ended March 31,
	2018			2017
	(in millions)
Interest income	$	5		$	1
Components of net periodic benefit cost other than service cost (Note 9)	(6		)	(4		)
Reserve for Unsecured Creditors litigation	—			(27		)
Benefits (costs) associated with acquisitions	11			—
Other, net	20			7
Other income (expense), net	$	30		$	(23	)

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As further discussed in Note 14. Derivatives and Hedging Activities, during the three months endedMarch 31, 2018, the Company recorded a gain of $11 million on forward contracts entered into in order to hedge portions of the currency risk associated with the cash payment for the proposed acquisition of KUM, which is reflected within Benefits (costs) associated with acquisitions in the above table. Also, as further discussed in Note 21. Discontinued Operations, during the three months endedMarch 31, 2018, Aptiv recorded $3 million for certain fees earned pursuant to the transition services agreement in connection with the Separation of the Company's former Powertrain Systems segment.

As further discussed in Note 10. Commitments and Contingencies, during the three months ended March 31, 2017, Aptiv recorded an incremental reserve of $27 million as a result of a ruling in the Unsecured Creditors litigation related to pre-judgment interest, which was in addition to the Company's previously recorded reserve of $300 million to other expense during the year ended December 31, 2016 related to this matter.

17. ACQUISITIONS AND DIVESTITURES

Acquisition of KUM LLC

On February 28, 2018, Aptiv agreed to acquire KUM LLC ("KUM"), a specialized manufacturer of connectors for the automotive industry, for total consideration of approximately $500 million. The acquisition is subject to the satisfaction of customary closing conditions and the receipt of regulatory and other approvals, and is expected to close mid-2018. The Company intends to acquire KUM utilizing cash on hand. Upon completion, KUM will become part of the Signal and Power Solutions segment.

Acquisition of nuTonomy, Inc.

On November 21, 2017, Aptiv acquired 100% of the equity interests of nuTonomy, Inc. ("nuTonomy"), a leading provider of autonomous driving software and technology, for total consideration of up to $454 million. Of the total consideration, $284 million of the purchase price is payable at closing, subject to certain post-closing adjustments. An additional $109 million of the purchase price will vest to certain selling shareholders in annual installments over a three-year period from the acquisition date, subject to such shareholders' compliance with certain employment conditions. Of the $109 million, approximately $7 million is payable after one year and approximately $51 million is payable after each of the second and third years following the acquisition date. These remaining installments will be recorded as a component of cost of sales ratably over the respective installment period.

Additionally, the total consideration includes a cash payment of up to $54 million contingent upon the achievement of certain performance metrics over a future three-year period. The range of the undiscounted amounts the Company could be required to pay under this arrangement is between $0 and $54 million. As of the closing date of the acquisition, the contingent consideration was assigned a fair value of approximately $24 million. Refer to Note 15. Fair Value of Financial Instruments for additional information regarding the measurement of the contingent consideration liability. The results of operations of nuTonomy are reported within the Advanced Safety and User Experience segment from the date of acquisition. The Company acquired nuTonomy utilizing cash on hand.

The acquisition was accounted for as a business combination, with the total purchase price allocated on a preliminary basis using information available, in the fourth quarter of 2017. The purchase price and related allocation to the acquired net assets of nuTonomy based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	284
Purchase price, fair value of contingent consideration	24
Total purchase price, net of cash acquired	$	308
Intangible assets	$	102
Other liabilities, net	(40		)
Identifiable net assets acquired	62
Goodwill resulting from purchase	246
Total purchase price allocation	$	308

Goodwill recognized in this transaction is primarily attributable to synergies expected to arise after the acquisition from future growth and potential commercialization opportunities. Intangible assets include $102 million of in-process research and

32

development, which will not be amortized, but tested for impairment until the completion or abandonment of the associated research and development efforts. The estimated fair value of these assets was based on third-party valuations and management's estimates, generally utilizing income and market approaches.

The purchase price and related allocation are preliminary and could be revised as a result of adjustments made to the purchase price, additional information obtained regarding liabilities assumed, including, but not limited to, contingent liabilities, revisions of provisional estimates of fair values, including, but not limited to, the completion of independent appraisals and valuations related to property, plant and equipment and intangible assets, and certain tax attributes.

The pro forma effects of this acquisition would not materially impact the Company's reported results for any period presented, and as a result no pro forma financial statements were presented.

Acquisition of Movimento Group

On January 3, 2017, Aptiv acquired 100% of the equity interests of Movimento Group ("Movimento"), a leading provider of Over-the-Air software and data management for the automotive sector, for a purchase price of $40 million at closing and an additional cash payment of up to $10 million contingent upon the achievement of certain performance metrics over a future 2-year period. The range of the undiscounted amounts the Company could be required to pay under this arrangement is between $0 and $10 million. As of the closing date of the acquisition, the contingent consideration was assigned a fair value of approximately $8 million. Refer to Note 15. Fair Value of Financial Instruments for additional information regarding the measurement of the contingent consideration liability. The results of operations of Movimento are reported within the Advanced Safety and User Experience segment from the date of acquisition. The Company acquired Movimento utilizing cash on hand.

The acquisition was accounted for as a business combination, with the total purchase price allocated on a preliminary basis using information available, in the first quarter of 2017. The purchase price and related allocation were finalized in the first quarter of 2018, and resulted in no adjustments from the amounts previously disclosed. The purchase price and related allocation to the acquired net assets of Movimento based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	40
Purchase price, fair value of contingent consideration	8
Total purchase price, net of cash acquired	$	48
Intangible assets	$	22
Other liabilities, net	(2		)
Identifiable net assets acquired	20
Goodwill resulting from purchase	28
Total purchase price allocation	$	48

Intangible assets include $8 million recognized for the fair value of the acquired trade name, which has an estimated useful life of approximately 25 years, $4 million of customer-based and technology-related assets with estimated useful lives of approximately 7 years, and $10 million of in-process research and development, which will not be amortized, but tested for impairment until the completion or abandonment of the associated research and development efforts. The estimated fair value of these assets was based on third-party valuations and management's estimates, generally utilizing income and market approaches.

The pro forma effects of this acquisition would not materially impact the Company's reported results for any period presented, and as a result no pro forma financial statements were presented.

Technology Investments

The Company has made technology investments in certain non-consolidated affiliates for ownership interests of less than 20%, which are accounted for in accordance with ASU 2016-01, as described in Note 2. Significant Accounting Policies.

During the first quarter of 2017, the Company's Advanced Safety and User Experience segment made a $15 million investment in Otonomo Technologies Ltd., the developer of a connected car data marketplace.

33

As of March 31, 2018, the Company had the following technology investments, which are classified within other long-term assets in the consolidated balance sheet:

Investment Name	Segment	Investment Date	Investment (in millions)
Innoviz Technologies	Advanced Safety and User Experience	Q3 2017	$	15
LeddarTech, Inc.	Advanced Safety and User Experience	Q3 2017	10
Valens Semiconductor Ltd.	Signal and Power Solutions	Q2 2017	10
Otonomo Technologies Ltd.	Advanced Safety and User Experience	Q1 2017	15
Quanergy Systems, Inc	Advanced Safety and User Experience	Q2 2015; Q1 2016	6
			$	56

18. SHARE-BASED COMPENSATION

Long Term Incentive Plan

The Aptiv PLC Long-Term Incentive Plan, as amended and restated effective April 23, 2015 (the “PLC LTIP”), allows for the grant of awards of up to 25,665,448 ordinary shares for long-term compensation. The PLC LTIP is designed to align the interests of management and shareholders. The awards can be in the form of shares, options, stock appreciation rights, restricted stock, restricted stock units ("RSUs"), performance awards, and other share-based awards to the employees, directors, consultants and advisors of the Company. The Company has awarded annual long-term grants of RSUs under the PLC LTIP in each year from 2012 to 2018 in order to align management compensation with Aptiv's overall business strategy. The Company has competitive and market-appropriate ownership requirements. All of the RSUs granted under the PLC LTIP are eligible to receive dividend equivalents for any dividend paid from the grant date through the vesting date. Dividend equivalents are generally paid out in ordinary shares upon vesting of the underlying RSUs. Historical amounts disclosed within this note include amounts attributable to the Company's discontinued operations, unless otherwise noted, and for activity prior to December 4, 2017 represent awards based on shares of Delphi Automotive PLC.

In connection with the Separation, the Company made adjustments to the number of unvested RSUs with the intention of preserving the intrinsic value of the recipient's awards prior to the Separation. Accordingly, the number of RSUs underlying each unvested award outstanding as of the date of the Separation was multiplied by a factor of 1.17, and the related grant date fair value was divided by a factor of 1.17, which resulted in no increase in the intrinsic value of awards outstanding. The RSUs continue to vest in accordance with their original vesting period. These adjustments to the Company’s share-based compensation awards did not result in additional compensation expense.

RSUs that were held by employees who transferred to Delphi Technologies in connection with the Separation were canceled and replaced by awards issued by Delphi Technologies. Employees remaining with the Company did not receive share-based compensation awards of Delphi Technologies as a result of the spin-off. Except for the conversion of awards, the material terms of the awards remained unchanged.

Board of Director Awards

On April 28, 2016, Aptiv granted 27,238 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 28, 2016. The RSUs vested on April 26, 2017, and 26,580 ordinary shares, which included shares issued in connection with dividend equivalents, were issued to members of the Board of Directors at a fair value of approximately $2 million. 3,472 ordinary shares were withheld to cover the minimum withholding taxes.

On April 27, 2017, Aptiv granted 26,782 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 27, 2017. The RSUs vested on April 25, 2018, and 24,642 ordinary shares, which included shares issued in connection with dividend equivalents, were issued to members of the Board of Directors at a fair value of approximately $2 million. 2,649 ordinary shares were withheld to cover the minimum withholding taxes.

On April 26, 2018, Aptiv granted 22,676 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 26, 2018. The RSUs will vest on April 24, 2019, the day before the 2019 annual meeting of shareholders.

34

Executive Awards

Aptiv has made annual grants of RSUs to its executives in February of each year beginning in 2012. These awards include a time-based vesting portion and a performance-based vesting portion, as well as continuity awards in certain years. The time-based RSUs, which make up 25% of the awards for Aptiv’s officers and 50% for Aptiv’s other executives, vest ratably over three years beginning on the first anniversary of the grant date. The performance-based RSUs, which make up 75% of the awards for Aptiv’s officers and 50% for Aptiv's other executives, vest at the completion of a three-year performance period if certain targets are met. Each executive will receive between 0% and 200% of his or her target performance-based award based on the Company’s performance against established company-wide performance metrics, which are:

Metric	2016 - 2018 Grants	2014 - 2015 Grants
Average return on net assets (1)	50%	50%
Cumulative net income	25%	N/A
Cumulative earnings per share (2)	N/A	30%
Relative total shareholder return (3)	25%	20%

(1) Average return on net assets is measured by tax-affected operating income divided by average net working capital plus average net property, plant and equipment for each calendar year during the respective performance period.

(2) Cumulative earnings per share is measured by net income attributable to Aptiv divided by the weighted average number of diluted shares outstanding for the respective three-year performance period.

(3) Relative total shareholder return is measured by comparing the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the end of the performance period to the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the year preceding the grant, including dividends, and assessed against a comparable measure of competitor and peer group companies.

The details of the executive grants were as follows:

Grant Date	RSUs Granted	Grant Date Fair Value		Time-Based Award Vesting Dates	Performance-Based Award Vesting Date
	(in millions)
February 2014	0.78	$	53	Annually on anniversary of grant date, 2015 - 2017	December 31, 2016
February 2015	0.90	76		Annually on anniversary of grant date, 2016 - 2018	December 31, 2017
February 2016	0.71	48		Annually on anniversary of grant date, 2017 - 2019	December 31, 2018
February 2017	0.80	63		Annually on anniversary of grant date, 2018 - 2020	December 31, 2019
February 2018	0.63	61		Annually on anniversary of grant date, 2019 - 2021	December 31, 2020

Any new executives hired after the annual executive RSU grant date may be eligible to participate in the PLC LTIP. Any off cycle grants made for new hires are valued at their grant date fair value based on the closing price of the Company's ordinary shares on the date of such grant.

The grant date fair value of the RSUs is determined based on the target number of awards issued, the closing price of the Company’s ordinary shares on the date of the grant of the award, including an estimate for forfeitures, and a contemporaneous valuation performed by an independent valuation specialist with respect to the relative total shareholder return awards.

In February 2017, under the time-based vesting terms of the 2014, 2015 and 2016 grants, 248,008 ordinary shares were issued to Aptiv executives at a fair value of approximately $19 million, of which 88,807 ordinary shares were withheld to cover minimum withholding taxes. The performance-based RSUs associated with the 2014 grant vested at the completion of a three-year performance period on December 31, 2016, and in the first quarter of 2017, 797,210 ordinary shares were issued to executives at a fair value of approximately $60 million, of which 324,555 ordinary shares were withheld to cover minimum withholding taxes.

In February 2018, under the time-based vesting terms of the 2015, 2016 and 2017 grants, 285,344 ordinary shares were issued to Aptiv executives at a fair value of approximately $26 million, of which 102,045 ordinary shares were withheld to cover minimum withholding taxes. The performance-based RSUs associated with the 2015 grant vested at the completion of a three-year performance period on December 31, 2017, and in the first quarter of 2018, 640,239 ordinary shares were issued to executives at a fair value of approximately $59 million, of which 240,483 ordinary shares were withheld to cover minimum withholding taxes.

35

A summary of RSU activity, including award grants, vesting and forfeitures is provided below:

	RSUs		Weighted Average Grant Date Fair Value
	(in thousands)
Nonvested, January 1, 2018	1,807		$	68.66
Granted	690		96.35
Vested	(279	)	64.18
Forfeited	(45	)	66.70
Nonvested, March 31, 2018	2,173		78.00

Aptiv recognized compensation expense from continuing operations of $13 million ($12 million, net of tax) and $13 million ($11 million, net of tax) based on the Company’s best estimate of ultimate performance against the respective targets during the three months endedMarch 31, 2018 and 2017, respectively. Aptiv will continue to recognize compensation expense, based on the grant date fair value of the awards applied to the Company’s best estimate of ultimate performance against the respective targets, over the requisite vesting periods of the awards. Based on the grant date fair value of the awards and the Company’s best estimate of ultimate performance against the respective targets as of March 31, 2018, unrecognized compensation expense on a pre-tax basis of approximately $120 million is anticipated to be recognized over a weighted average period of approximately 2 years. For the three months endedMarch 31, 2018 and 2017, respectively, approximately $32 million and $26 million of cash was paid and reflected as a financing activity in the statements of cash flows related to the minimum statutory tax withholding for vested RSUs.

19. SUPPLEMENTAL GUARANTOR AND NON-GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS

Basis of Presentation

Notes Issued by the Subsidiary Issuer

As described in Note 8. Debt, Delphi Corporation (the "Subsidiary Issuer/Guarantor"), a 100% owned subsidiary of Aptiv PLC (the "Parent"), issued the 2014 Senior Notes, which were registered under the Securities Act, and is the borrower of obligations under the Credit Agreement. The 2014 Senior Notes and obligations under the Credit Agreement are fully and unconditionally guaranteed by Aptiv PLC and certain of Aptiv PLC's direct and indirect subsidiary companies, which are directly or indirectly 100% owned by Aptiv PLC (the “Subsidiary Guarantors”), on a joint and several basis, subject to customary release provisions (other than in the case of Aptiv PLC). All other consolidated direct and indirect subsidiaries of Aptiv PLC are not subject to the guarantees (“Non-Guarantor Subsidiaries”).

Notes Issued by the Parent

As described in Note 8. Debt, Aptiv PLC issued the 2015 Senior Notes, the 2015 Euro-denominated Senior Notes, the 2016 Euro-denominated Senior Notes and the 2016 Senior Notes, each of which were registered under the Securities Act. Each series of these senior notes are fully and unconditionally guaranteed on a joint and several basis, subject to customary release provisions, by certain of Aptiv PLC's direct and indirect subsidiary companies (the “Subsidiary Guarantors”), and Delphi Corporation, each of which are directly or indirectly 100% owned by Aptiv PLC. All other consolidated direct and indirect subsidiaries of Aptiv PLC are not subject to the guarantees (“Non-Guarantor Subsidiaries”).

In lieu of providing separate audited financial statements for the Guarantors, the Company has included the accompanying condensed consolidating financial statements. These condensed consolidating financial statements are presented using the equity method. Under this method, the investments in subsidiaries are recorded at cost and adjusted for the Parent’s share of the subsidiary’s cumulative results of operations, capital contributions and distributions and other equity changes. The Non-Guarantor Subsidiaries are combined in the condensed consolidating financial statements. The principal elimination entries are to eliminate the investments in subsidiaries and intercompany balances and transactions.

36

Statement of Operations Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,630		$	—		$	3,630
Operating expenses:
Cost of sales	—			—			—			2,947			—			2,947
Selling, general and administrative	(4		)	—			—			263			—			259
Amortization	—			—			—			30			—			30
Restructuring	—			—			—			20			—			20
Total operating expenses	(4		)	—			—			3,260			—			3,256
Operating income	4			—			—			370			—			374
Interest (expense) income	(61		)	(7		)	(43		)	(1		)	78			(34		)
Other income (expense), net	—			—			—			108			(78		)	30
(Loss) income from continuing operations before income taxes and equity income	(57		)	(7		)	(43		)	477			—			370
Income tax benefit (expense)	—			—			10			(69		)	—			(59		)
(Loss) income from continuing operations before equity income	(57		)	(7		)	(33		)	408			—			311
Equity in net income of affiliates	—			—			—			5			—			5
Equity in net income (loss) of subsidiaries	364			356			(8		)	—			(712		)	—
Income (loss) from continuing operations	307			349			(41		)	413			(712		)	316
Income from discontinued operations, net of tax	—			—			—			—			—			—
Net income (loss)	307			349			(41		)	413			(712		)	316
Net income attributable to noncontrolling interest	—			—			—			9			—			9
Net income (loss) attributable to Aptiv	$	307		$	349		$	(41	)	$	404		$	(712	)	$	307

37

Statement of Operations Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,143		$	—		$	3,143
Operating expenses:
Cost of sales	—			—			—			2,544			—			2,544
Selling, general and administrative	6			—			—			219			—			225
Amortization	—			—			—			29			—			29
Restructuring	—			—			—			52			—			52
Total operating expenses	6			—			—			2,844			—			2,850
Operating (loss) income	(6		)	—			—			299			—			293
Interest (expense) income	(59		)	(3		)	(43		)	(1		)	73			(33		)
Other income (expense), net	—			10			1			39			(73		)	(23		)
(Loss) income from continuing operations before income taxes and equity income	(65		)	7			(42		)	337			—			237
Income tax benefit (expense)	—			—			15			(34		)	—			(19		)
(Loss) income from continuing operations before equity income	(65		)	7			(27		)	303			—			218
Equity in net income of affiliates	—			—			—			11			—			11
Equity in net income (loss) of subsidiaries	400			377			(30		)	—			(747		)	—
Income (loss) from continuing operations	335			384			(57		)	314			(747		)	229
Income from discontinued operations, net of tax	—			—			—			123			—			123
Net income (loss)	335			384			(57		)	437			(747		)	352
Net income attributable to noncontrolling interest	—			—			—			17			—			17
Net income (loss) attributable to Aptiv	$	335		$	384		$	(57	)	$	420		$	(747	)	$	335

38

Statement of Comprehensive Income Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net income (loss)	$	307		$	349		$	(41	)	$	413		$	(712	)	$	316
Other comprehensive (loss) income:
Currency translation adjustments	(37		)	—			—			98			—			61
Net change in unrecognized loss on derivative instruments, net of tax	—			—			—			(23		)	—			(23		)
Employee benefit plans adjustment, net of tax	—			—			—			1			—			1
Other comprehensive (loss) income	(37		)	—			—			76			—			39
Equity in other comprehensive income (loss) of subsidiaries	72			(66		)	21			—			(27		)	—
Comprehensive income (loss)	342			283			(20		)	489			(739		)	355
Comprehensive income attributable to noncontrolling interests	—			—			—			13			—			13
Comprehensive income (loss) attributable to Aptiv	$	342		$	283		$	(20	)	$	476		$	(739	)	$	342

Statement of Comprehensive Income Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
Net income (loss)	$	335		$	384	$	(57	)	$	437	$	(747	)	$	352
Other comprehensive (loss) income:
Currency translation adjustments	(30		)	—		—			116		—			86
Net change in unrecognized gain on derivative instruments, net of tax	—			—		—			39		—			39
Employee benefit plans adjustment, net of tax	—			—		—			4		—			4
Other comprehensive (loss) income	(30		)	—		—			159		—			129
Equity in other comprehensive income (loss) of subsidiaries	158			29		48			—		(235		)	—
Comprehensive income (loss)	463			413		(9		)	596		(982		)	481
Comprehensive income attributable to noncontrolling interests	—			—		—			18		—			18
Comprehensive income (loss) attributable to Aptiv	$	463		$	413	$	(9	)	$	578	$	(982	)	$	463

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Balance Sheet as of March 31, 2018

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	2	$	—	$	—	$	1,343	$	—		$	1,345
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,646		—			2,646
Intercompany receivables, current	52		15		1,707		10,211		(11,985		)	—
Inventories	—		—		—		1,202		—			1,202
Other current assets	—		—		—		732		—			732
Total current assets	54		15		1,707		16,135		(11,985		)	5,926
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,399		(2,167		)	—
Property, net	—		—		—		2,890		—			2,890
Investments in affiliates	—		—		—		101		—			101
Investments in subsidiaries	12,417		14,636		2,156		—		(29,209		)	—
Intangible assets, net	—		—		—		3,184		—			3,184
Other long-term assets	65		—		7		387		—			459
Total long-term assets	12,482		14,636		2,931		7,961		(31,376		)	6,634
Total assets	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	55	$	5	$	—		$	60
Accounts payable	1		—		—		2,281		—			2,282
Intercompany payables, current	5,986		3,375		1,073		1,551		(11,985		)	—
Accrued liabilities	27		—		3		1,336		—			1,366
Total current liabilities	6,014		3,375		1,131		5,173		(11,985		)	3,708
Long-term liabilities:
Long-term debt	3,055		—		1,074		34		—			4,163
Intercompany payables, long-term	—		—		1,315		852		(2,167		)	—
Pension benefit obligations	—		—		—		460		—			460
Other long-term liabilities	—		—		—		531		—			531
Total long-term liabilities	3,055		—		2,389		1,877		(2,167		)	5,154
Total liabilities	9,069		3,375		3,520		7,050		(14,152		)	8,862
Total Aptiv shareholders’ equity	3,467		11,276		1,118		16,815		(29,209		)	3,467
Noncontrolling interest	—		—		—		231		—			231
Total shareholders’ equity	3,467		11,276		1,118		17,046		(29,209		)	3,698
Total liabilities and shareholders’ equity	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560

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Balance Sheet as of December 31, 2017

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	1	$	—	$	—	$	1,595	$	—		$	1,596
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,440		—			2,440
Intercompany receivables, current	50		16		82		9,867		(10,015		)	—
Inventories	—		—		—		1,083		—			1,083
Other current assets	—		—		—		521		—			521
Total current assets	51		16		82		15,507		(10,015		)	5,641
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,366		(2,134		)	—
Property, net	—		—		—		2,804		—			2,804
Investments in affiliates	—		—		—		91		—			91
Investments in subsidiaries	11,987		12,599		3,416		—		(28,002		)	—
Intangible assets, net	—		—		—		3,163		—			3,163
Other long-term assets	60		—		8		402		—			470
Total long-term assets	12,047		12,599		4,192		7,826		(30,136		)	6,528
Total assets	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	13	$	4	$	—		$	17
Accounts payable	2		—		—		2,225		—			2,227
Intercompany payables, current	5,689		1,736		1,032		1,558		(10,015		)	—
Accrued liabilities	91		—		10		1,195		—			1,296
Total current liabilities	5,782		1,736		1,055		4,982		(10,015		)	3,540
Long-term liabilities:
Long-term debt	3,017		—		1,078		37		—			4,132
Intercompany payables, long-term	—		—		1,297		837		(2,134		)	—
Pension benefit obligations	—		—		—		454		—			454
Other long-term liabilities	—		—		—		526		—			526
Total long-term liabilities	3,017		—		2,375		1,854		(2,134		)	5,112
Total liabilities	8,799		1,736		3,430		6,836		(12,149		)	8,652
Total Aptiv shareholders’ equity	3,299		10,879		844		16,279		(28,002		)	3,299
Noncontrolling interest	—		—		—		218		—			218
Total shareholders’ equity	3,299		10,879		844		16,497		(28,002		)	3,517
Total liabilities and shareholders’ equity	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169

41

Statement of Cash Flows for the Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(36	)	$	—	$	—	$	222		$	—		$	186
Net cash used in operating activities from discontinued operations	—			—		—		(31		)	—			(31		)
Net cash (used in) provided by operating activities	(36		)	—		—		191			—			155
Cash flows from investing activities:
Capital expenditures	—			—		—		(243		)	—			(243		)
Proceeds from sale of property / investments	—			—		—		3			—			3
Deposit for acquisition of KUM	(5		)	—		—		—			—			(5		)
Loans to affiliates	—			—		—		(250		)	250			—
Net cash (used in) provided by investing activities from continuing operations	(5		)	—		—		(490		)	250			(245		)
Net cash provided by investing activities from discontinued operations	—			—		—		—			—			—
Net cash (used in) provided by investing activities	(5		)	—		—		(490		)	250			(245		)
Cash flows from financing activities:
Net borrowings under other short-term debt agreements	—			—		—		35			—			35
Proceeds from borrowings from affiliates	250			—		—		—			(250		)	—
Repurchase of ordinary shares	(149		)	—		—		—			—			(149		)
Distribution of cash dividends	(59		)	—		—		—			—			(59		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(32		)	—			(32		)
Net cash provided by (used in) financing activities	42			—		—		3			(250		)	(205		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		44			—			44
Increase (decrease) in cash, cash equivalents and restricted cash	1			—		—		(252		)	—			(251		)
Cash, cash equivalents and restricted cash at beginning of period	1			—		—		1,596			—			1,597
Cash, cash equivalents and restricted cash at end of period	$	2		$	—	$	—	$	1,344		$	—		$	1,346
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	—		$	—		$	—
Cash, cash equivalents and restricted cash of continuing operations	$	2		$	—	$	—	$	1,344		$	—		$	1,346

42

Statement of Cash Flows for the Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(26	)	$	—	$	—	$	284		$	—		$	258
Net cash provided by operating activities from discontinued operations	—			—		—		32			—			32
Net cash (used in) provided by operating activities	(26		)	—		—		316			—			290
Cash flows from investing activities:
Capital expenditures	—			—		—		(164		)	—			(164		)
Cost of business acquisitions, net of cash acquired	—			—		—		(40		)	—			(40		)
Cost of technology investments	—			—		—		(15		)	—			(15		)
Loans to affiliates	—			—		—		(297		)	297			—
Net cash (used in) provided by investing activities from continuing operations	—			—		—		(516		)	297			(219		)
Net cash used in investing activities from discontinued operations	—			—		—		(51		)	—			(51		)
Net cash (used in) provided by investing activities	—			—		—		(567		)	297			(270		)
Cash flows from financing activities:
Net repayments under other short-term debt agreements	—			—		—		(4		)	—			(4		)
Contingent consideration and deferred acquisition purchase price payments	—			—		—		(20		)	—			(20		)
Dividend payments of consolidated affiliates to minority shareholders	—			—		—		(10		)	—			(10		)
Proceeds from borrowings from affiliates	297			—		—		—			(297		)	—
Repurchase of ordinary shares	(194		)	—		—		—			—			(194		)
Distribution of cash dividends	(78		)	—		—		—			—			(78		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(26		)	—			(26		)
Net cash provided by (used in) financing activities	25			—		—		(60		)	(297		)	(332		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		21			—			21
Decrease in cash, cash equivalents and restricted cash	(1		)	—		—		(290		)	—			(291		)
Cash, cash equivalents and restricted cash at beginning of period	2			—		—		837			—			839
Cash, cash equivalents and restricted cash at end of period	$	1		$	—	$	—	$	547		$	—		$	548
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	61		$	—		$	61
Cash, cash equivalents and restricted cash of continuing operations	$	1		$	—	$	—	$	486		$	—		$	487

43

20. SEGMENT REPORTING

Aptiv operates its core business along the following operating segments, which are grouped on the basis of similar product, market and operating factors:

• Signal and Power Solutions, which includes complete electrical architecture and component products.

• Advanced Safety and User Experience, which includes component and systems integration expertise in infotainment and connectivity, body controls and security systems, displays and active and passive safety electronics, autonomous driving software and technologies, as well as advanced development of software.

• Eliminations and Other, which includes i) the elimination of inter-segment transactions, and ii) certain other expenses and income of a non-operating or strategic nature.

The accounting policies of the segments are the same as those described in Note 2. Significant Accounting Policies, except that the disaggregated financial results for the segments have been prepared using a management approach, which is consistent with the basis and manner in which management internally disaggregates financial information for which Aptiv’s chief operating decision maker regularly reviews financial results to assess performance of, and make internal operating decisions about allocating resources to, the segments.

Generally, Aptiv evaluates segment performance based on stand-alone segment net income before interest expense, other income (expense), net, income tax expense, equity income (loss), net of tax, income (loss) from discontinued operations, net of tax, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions (“Adjusted Operating Income”) and accounts for inter-segment sales and transfers as if the sales or transfers were to third parties, at current market prices. Aptiv’s management utilizes Adjusted Operating Income as the key performance measure of segment income or loss to evaluate segment performance, and for planning and forecasting purposes to allocate resources to the segments, as management believes this measure is most reflective of the operational profitability or loss of Aptiv's operating segments. Segment Adjusted Operating Income should not be considered a substitute for results prepared in accordance with U.S. GAAP and should not be considered an alternative to net income attributable to Aptiv, which is the most directly comparable financial measure to Adjusted Operating Income that is prepared in accordance with U.S. GAAP. Segment Adjusted Operating Income, as determined and measured by Aptiv, should also not be compared to similarly titled measures reported by other companies.

As described in Note 21. Discontinued Operations, the Company's previously reported Powertrain Systems segment has been classified as discontinued operations for all periods presented. Certain original equipment service businesses that were previously included within the Powertrain Systems segment but which were not included in the spin-off, are reported in continuing operations and have been reclassified within the Advanced Safety and User Experience and Signal and Power Solutions segments for all periods presented. No amounts for shared general and administrative operating expense or interest expense were allocated to discontinued operations.

Included below are sales and operating data for Aptiv’s segments for the three months endedMarch 31, 2018 and 2017.

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2018:
Net sales	$	2,617	$	1,032	$	(19	)	$	3,630
Depreciation & amortization	$	119	$	36	$	—		$	155
Adjusted operating income	$	351	$	76	$	—		$	427
Operating income	$	322	$	52	$	—		$	374
Equity income, net of tax	$	5	$	—	$	—		$	5
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

44

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2017:
Net sales	$	2,342	$	821	$	(20	)	$	3,143
Depreciation & amortization	$	102	$	24	$	—		$	126
Adjusted operating income	$	309	$	43	$	—		$	352
Operating income	$	291	$	2	$	—		$	293
Equity income, net of tax	$	11	$	—	$	—		$	11
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

(1) Eliminations and Other includes the elimination of inter-segment transactions.

The reconciliation of Adjusted Operating Income to Operating Income includes, as applicable, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions. The reconciliation of Adjusted Operating Income to net income attributable to Aptiv for the three months endedMarch 31, 2018 and 2017 are as follows:

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2018:
Adjusted operating income	$	351		$	76		$	—	$	427
Restructuring	(18		)	(2		)	—		(20		)
Other acquisition and portfolio project costs	(11		)	(8		)	—		(19		)
Deferred compensation related to nuTonomy acquisition	—			(14		)	—		(14		)
Operating income	$	322		$	52		$	—	374
Interest expense									(34		)
Other income, net									30
Income from continuing operations before income taxes and equity income									370
Income tax expense									(59		)
Equity income, net of tax									5
Income from continuing operations									316
Income from discontinued operations, net of tax									—
Net income									316
Net income attributable to noncontrolling interest									9
Net income attributable to Aptiv									$	307

45

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2017:
Adjusted operating income	$	309		$	43		$	—	$	352
Restructuring	(13		)	(39		)	—		(52		)
Other acquisition and portfolio project costs	(5		)	(1		)	—		(6		)
Asset impairments	—			(1		)	—		(1		)
Operating income	$	291		$	2		$	—	293
Interest expense									(33		)
Other expense, net									(23		)
Income from continuing operations before income taxes and equity income									237
Income tax expense									(19		)
Equity income, net of tax									11
Income from continuing operations									229
Income from discontinued operations, net of tax									123
Net income									352
Net income attributable to noncontrolling interest									17
Net income attributable to Aptiv									$	335

46

21. DISCONTINUED OPERATIONS

Spin-Off of Delphi Technologies

On December 4, 2017, the Company completed the Separation of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Shareholders received cash in lieu of any fractional ordinary shares of Delphi Technologies. Following the Separation, Delphi Technologies is now an independent public company. Aptiv did not retain any equity or other interests in Delphi Technologies.

On December 4, 2017, pursuant to the Separation and Distribution Agreement, the Company transferred to Delphi Technologies the assets and liabilities that comprised Delphi Technologies’ business. The Company received a dividend of approximately $1,148 million from Delphi Technologies in connection with the Separation. Delphi Technologies financed this dividend through the issuance of approximately $1.55 billion of debt, consisting of a senior secured five-year $750 million term loan facility that was issued upon the spin-off and $800 million aggregate principal amount of 5.00% senior unsecured notes due 2025 that were issued in September 2017 (collectively, the "Delphi Technologies Debt"). In connection with the Separation, the Delphi Technologies Debt was transferred to Delphi Technologies and is no longer reflected in the Company’s consolidated financial statements. Also in connection with the Separation, the Company received $180 million in cash from Delphi Technologies pursuant to the Tax Matters Agreement.

The requirements for the presentation of Delphi Technologies as a discontinued operation were met when the Separation was completed. Accordingly, the accompanying consolidated financial statements reflect this business as a discontinued operation for all periods presented through the Distribution Date. Operations related to certain original equipment service businesses previously included within the Company's Powertrain Systems segment, but which were not included in the spin-off, are reported in continuing operations and have been reclassified within the Advanced Safety and User Experience and Signal and Power Solutions segments for all periods presented. No amounts for shared general and administrative expense or interest expense were allocated to discontinued operations. Aptiv has not had significant continuing involvement with the spun-off Powertrain Systems business following the closing of the transaction.

In connection with the Separation, Aptiv and Delphi Technologies entered into various agreements to effect the Separation and to provide a framework for their relationship following the Separation, which included a Separation and Distribution agreement, a Transition Services Agreement, a Tax Matters Agreement, an Employee Matters Agreement and Contract Manufacturing Services Arrangements. The transition services primarily involve Aptiv providing certain services to Delphi Technologies related to information technology and human resource infrastructure for terms of up to 24 months following the Separation. Aptiv recorded $3 million to other income (expense), net during the three months endedMarch 31, 2018 for certain fees earned pursuant to the Transition Services Agreement. As part of the near-term transition related to these agreements, Aptiv has recorded certain short-term assets and liabilities within the consolidated balance sheets as of March 31, 2018 and December 31, 2017. The Company has recorded $289 million and $123 million, respectively, in other current assets related to accounts receivable from customers that it will collect on behalf of Delphi Technologies, which will be remitted to Delphi Technologies, and $267 million and $132 million, respectively, in accrued liabilities related to accounts payable to outside suppliers that it will remit on behalf of Delphi Technologies, which will be reimbursed by Delphi Technologies.

As a result of the Separation, the Company has separated its defined benefit pension and other post-employment benefit plans, and adjusted its employee share-based compensation awards. See Note 9. Pension Benefits and Note 18. Share-Based Compensation, respectively, for additional information.

As a result of the completion of the Separation on December 4, 2017, there were no assets or liabilities of the discontinued operation as of March 31, 2018 or December 31, 2017.

47

A reconciliation of the major classes of line items constituting pre-tax profit or loss of discontinued operations to income from discontinued operations, net of tax as presented in the consolidated statements of operations is as follows:

	Three Months Ended March 31,
	2017
	(in millions)
Net sales	$	1,149
Cost of sales	901
Selling, general and administrative	63
Amortization	4
Restructuring	10
Other income and (expense) items that are not major, net	(6		)
Income from discontinued operations before income taxes and equity income	165
Income tax expense on discontinued operations	(42		)
Income from discontinued operations, net of tax	123
Income from discontinued operations attributable to noncontrolling interests	8
Net income from discontinued operations attributable to Aptiv	$	115

Income from discontinued operations before income taxes attributable to Aptiv was $155 million for the three months endedMarch 31, 2017, which includes $2 million of income tax expense attributable to noncontrolling interests.

22. REVENUE

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers, which requires recognition of revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Aptiv adopted this guidance in the first quarter of 2018 using the modified retrospective method. In accordance with the standard, revenue is measured based on consideration specified in a contract with a customer. Customer contracts generally are represented by a combination of a current purchase order and a current production schedule issued by the customer. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. From time to time, Aptiv enters into pricing agreements with its customers that provide for price reductions, some of which are conditional upon achieving certain joint cost savings targets. In these instances, revenue is recognized based on the agreed-upon price at the time of shipment.

Sales incentives and allowances are recognized as a reduction to revenue at the time of the related sale. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction that are collected by Aptiv from a customer are excluded from revenue. Shipping and handling fees billed to customers are included in net sales, while costs of shipping and handling are included in cost of sales.

Nature of Goods and Services

The principal activity from which the Company generates its revenue is the manufacturing of production parts for OEM customers. Aptiv recognizes revenue at a point in time, rather than over time, as the performance obligation is satisfied when customers obtain control of the product upon title transfer and not as the product is manufactured or developed.

Aptiv recognizes revenue for production parts at a point in time as title transfers to the customer. Although production parts are highly customized with no alternative use, Aptiv does not have an enforceable right to payment as customers have the right to cancel a product program without a notification period. The amount of revenue recognized is based on the purchase order price and adjusted for revenue allocated to variable consideration (i.e. estimated rebates and price discounts), as applicable. Customers typically pay for production parts based on customary business practices with payment terms averaging 60 days.

48

Disaggregation of Revenue

Revenue generated from Aptiv's operating segments are disaggregated by primary geographic market in the following tables. Information concerning geographic market reflects the manufacturing location.

For the Three Months Ended March 31, 2018:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	1,020	$	335	$	(4	)	$	1,351
Europe, Middle East & Africa	837		437		(5		)	1,269
Asia Pacific	687		259		(10		)	936
South America	73		1		—			74
Total	$	2,617	$	1,032	$	(19	)	$	3,630

For the Three Months Ended March 31, 2017:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	955	$	307	$	(4	)	$	1,258
Europe, Middle East & Africa	715		323		(7		)	1,031
Asia Pacific	611		189		(9		)	791
South America	61		2		—			63
Total	$	2,342	$	821	$	(20	)	$	3,143

Contract Balances

Consistent with the recognition of production parts revenue at a point in time as title transfers to the customer, Aptiv has no contract assets or contract liabilities balances as of March 31, 2018 or December 31, 2017.

Outstanding Performance Obligations

As customer contracts generally are represented by a combination of a current purchase order and a current production schedule issued by the customer for a production part, there are no contracts outstanding beyond one year. Aptiv does not enter into fixed long-term supply agreements.

As permitted, Aptiv does not disclose information about remaining performance obligations that have original expected durations of one year or less.

Costs to Obtain a Contract

From time to time, Aptiv makes payments to customers in conjunction with ongoing and future business. These payments to customers are generally recognized as a reduction to revenue at the time of the commitment to make these payments.

Certain of these payments or upfront fees meet the criteria to be considered a cost to obtain a contract as they are directly attributable to a contract, are incremental and management expects the fees to be recoverable. As of March 31, 2018 and December 31, 2017, Aptiv has recorded $37 million (of which $5 million was classified within other current assets and $32 million was classified within other long-term assets) and $36 million (of which $5 million was classified within other current assets and $31 million was classified within other long-term assets), respectively, related to these capitalized upfront fees.

Capitalized upfront fees are amortized to revenue based on the transfer of goods and services to the customer for which the upfront fees relate, which typically range from three to five years. There have been no impairment losses in relation to the costs capitalized. The amount of amortization to net sales was $1 million and $1 million for the three months ended March 31, 2018 and 2017, respectively.

49

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This Quarterly Report on Form 10-Q, including the exhibits being filed as part of this report, as well as other statements made by Aptiv PLC (“Aptiv,” the “Company,” “we,” “us” and “our”), contain forward-looking statements that reflect, when made, the Company’s current views with respect to current events and financial performance. Such forward-looking statements are subject to many risks, uncertainties and factors relating to the Company’s operations and business environment, which may cause the actual results of the Company to be materially different from any future results, express or implied, by such forward-looking statements. All statements that address future operating, financial or business performance or the Company’s strategies or expectations are forward-looking statements. In some cases, you can identify these statements by forward-looking words such as “may,” “might,” “will,” “should,” “expects,” “plans,” “intends,” “anticipates,” “believes,” “estimates,” “predicts,” “projects,” “potential,” “outlook” or “continue,” and other comparable terminology. Factors that could cause actual results to differ materially from these forward-looking statements include, but are not limited to, the following: global and regional economic conditions, including conditions affecting the credit market and resulting from the United Kingdom referendum held on June 23, 2016 in which voters approved an exit from the European Union, commonly referred to as "Brexit"; fluctuations in interest rates and foreign currency exchange rates; the cyclical nature of automotive sales and production; the potential disruptions in the supply of and changes in the competitive environment for raw material integral to the Company’s products; the Company’s ability to maintain contracts that are critical to its operations; potential changes to beneficial free trade laws and regulations such as the North American Free Trade Agreement; the ability of the Company to integrate and realize the benefits of recent acquisitions; the ability of the Company to achieve the intended benefits from the separation of its Powertrain Systems segment; the ability of the Company to attract, motivate and/or retain key executives; the ability of the Company to avoid or continue to operate during a strike, or partial work stoppage or slow down by any of its unionized employees or those of its principal customers; and the ability of the Company to attract and retain customers. Additional factors are discussed under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s filings with the Securities and Exchange Commission, including those set forth in the Company's Annual Report on Form 10-K for fiscal year ended December 31, 2017 and within this Form 10-Q filing. New risks and uncertainties arise from time to time, and it is impossible for us to predict these events or how they may affect the Company. It should be remembered that the price of the ordinary shares and any income from them can go down as well as up. Aptiv disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events and/or otherwise, except as may be required by law.

50

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following management’s discussion and analysis of financial condition and results of operations (“MD&A”) is intended to help you understand the business operations and financial condition of the Company for the three months endedMarch 31, 2018. This discussion should be read in conjunction with Item 1. Financial Statements. Our MD&A is presented in eight sections:

• Executive Overview

• Consolidated Results of Operations

• Results of Operations by Segment

• Liquidity and Capital Resources

• Off-Balance Sheet Arrangements

• Contingencies and Environmental Matters

• Recently Issued Accounting Pronouncements

• Critical Accounting Estimates

Within the MD&A, “Aptiv,” the “Company,” “we,” “us” and “our” refer to Aptiv PLC, a public limited company which was formed under the laws of Jersey on May 19, 2011 as Delphi Automotive PLC, which together with its subsidiaries acquired certain assets of the former Delphi Corporation and completed an initial public offering on November 22, 2011. On December 4, 2017 (the “Distribution Date”), the Company completed the separation (the “Separation”) of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and New York Stock Exchange ("NYSE") symbol to "APTV." The completion of the Separation positioned Aptiv as a new mobility provider focused on solving the complex challenges associated with safer, greener and more connected transportation. At the core of our capabilities is the software and vehicle architecture expertise that enables the advanced safety, automated driving, user experience and connected services that are enabling the future of mobility.

In April 2018, primarily as a result of the impact of the Separation on the Company’s U.K. presence and the centralization of the Company's non-manufacturing European footprint, along with the long-term stability of the financial and regulatory environment in Ireland and continued uncertainties with regards to the impending exit of the U.K. from the European Union, Aptiv PLC changed its tax residence from the U.K. to Ireland. Aptiv PLC remains a public limited company incorporated under the laws of Jersey, and will continue to be subject to United States Securities and Exchange Commission reporting requirements and prepare financial statements in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Executive Overview

Our Business

We are a leading global technology and mobility company serving the automotive sector. We design and manufacture vehicle components and provide electrical, electronic and active safety technology solutions to the global automotive market, creating the software and hardware foundation for vehicle features and functionality. We enable and deliver end-to-end smart mobility solutions, active safety and autonomous driving technologies and provide enhanced user experience and connected services. Our Advanced Safety and User Experience segment is focused on providing the necessary software and advanced computing platforms, and our Signal and Power Solutions segment is focused on providing the requisite networking architecture required to support the integrated systems in today's complex vehicles. Together, our businesses develop the ‘brain’ and the ‘nervous system’ of increasingly complex vehicles, providing integration of the vehicle into its operating environment.

We are one of the largest vehicle component manufacturers and our customers include all 25 of the largest automotive original equipment manufacturers ("OEMs") in the world.

As described in Note 21. Discontinued Operations to the consolidated financial statements contained herein, on December 4, 2017, the Company completed the Separation of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies, a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record

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date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and NYSE symbol to "APTV." Also, as a result of the Separation, Delphi Technologies became an independent public company trading on the NYSE under the symbol "DLPH" as of the Distribution Date. Aptiv did not retain any equity interest in Delphi Technologies.

As the disposal of the Powertrain Systems business represented a strategic shift that will have a major effect on the Company's operations and financial results, the assets and liabilities, operating results, and operating and investing cash flows for the previously reported Powertrain Systems segment through the Distribution Date are presented as discontinued operations separate from the Company’s continuing operations for all periods presented. This Management’s Discussion and Analysis reflects the results of continuing operations, unless otherwise noted.

Our total net sales during the three months endedMarch 31, 2018 were $3.6 billion, an increase of 15% compared to the same period of 2017. The increase in our total net sales is primarily attributable to continued volume increases in all regions. Our overall lean cost structure, along with above-market sales growth, has enabled us to maintain gross margins in the three months endedMarch 31, 2018 as compared to the prior year period, despite market declines in North America and Asia Pacific and increased investment in advanced technologies and engineering.

We are focused on maintaining a low fixed cost structure that provides us flexibility to remain profitable at all points ofthe traditional vehicle industry production cycle, including during periods of reduced industry volumes. Accordingly, we will continue to adjust our cost structure and optimize our manufacturing footprint in response to changes in the global and regional automotive markets and in order to increase investment in advanced technologies and engineering. As we operate in a cyclical industry that is impacted by movements in the global and regional economies, we continually evaluate opportunities to further adjust our cost structure, as evidenced by the restructuring programs we have implemented in order to continue the rotation of our manufacturing footprint to best cost locations and to reduce global overhead costs, as described in Note 7. Restructuring to the consolidated financial statements contained herein. We believe our strong balance sheet coupled with our flexible cost structure will position us to capitalize on improvements in OEM production volumes.

Trends, Uncertainties and Opportunities

Economic Conditions. Our business is directly related to automotive sales and automotive vehicle production by our customers. Automotive sales depend on a number of factors, including global and regional economic conditions. Although global automotive vehicle production increased 3% from 2016 to 2017, the levels of automotive vehicle production were uneven from a regional perspective. Compared to 2016, vehicle production in 2017 increased by 4% in Europe, 3% in China and 21% in South America. However, after several years of increases, consumer demand for vehicles in North America receded, resulting in a 4% decrease in North American production in 2017 as compared to the increased volumes experienced in 2016.

Economic volatility or weakness in North America, Europe, China or South America, could result in a significant reduction in automotive sales and production by our customers, which would have an adverse effect on our business, results of operations and financial condition. There is also potential that geopolitical factors could adversely impact the U.S. and other economies, and specifically the automotive sector. In particular, changes to international trade agreements such as the North American Free Trade Agreement or other political pressures could affect the operations of our OEM customers, resulting in reduced automotive production in certain regions or shifts in the mix of production to higher cost regions. Increases in interest rates could also negatively impact automotive production as a result of increased consumer borrowing costs or reduced credit availability. Additionally, economic weakness may result in shifts in the mix of future automotive sales (from vehicles with more content such as luxury vehicles, trucks and sport utility vehicles toward smaller passenger cars). While our diversified customer and geographic revenue base, along with our flexible cost structure, have well positioned us to withstand the impact of industry downturns and benefit from industry upturns, shifts in the mix of global automotive production to higher cost regions or to vehicles with less content could adversely impact our profitability.

There have also been periods of increased market volatility and currency exchange rate fluctuations, both globally and most specifically within the United Kingdom (“U.K.”) and Europe, as a result of the U.K. referendum held on June 23, 2016 in which voters approved an exit from the European Union (“E.U.”), commonly referred to as “Brexit.” As a result of the referendum, the British government formally initiated the process for withdrawal in March 2017. The terms of any withdrawal are subject to a negotiation period that could last at least two years from the initiation date. Nevertheless, the proposed withdrawal has created significant uncertainty about the future relationship between the U.K. and the E.U. These developments, or the perception that any of them could occur, may adversely affect European and worldwide economic and market conditions, significantly reduce global market liquidity and restrict the ability of key market participants to operate in certain financial markets and could contribute to instability in global financial and foreign exchange markets, including increased volatility in interest rates and foreign exchange rates. Although we are actively monitoring the ongoing potential impacts of Brexit and will seek to minimize its impact on our business, any of these effects of Brexit, among others, could adversely affect our business, business opportunities, results of operations, financial condition and cash flows. Approximately 1% of our annual net sales are generated in the U.K., and less than 1% are denominated in British pounds.

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Key growth markets. There have been periods of increased market volatility and moderations in the level of economic growth in China, which resulted in periods of lower automotive production growth rates in China than those previously experienced. Despite these recent moderations in the level of economic growth in China, rising income levels in China and other key growth markets are expected to result in stronger growth rates in these markets over the long term. Our strong global presence, and presence in these markets, has positioned us to experience above-market growth rates over the long term. We continue to expand our established presence in key growth markets, positioning us to benefit from the expected long term growth opportunities in these regions. We are capitalizing on our long-standing relationships with the global OEMs and further enhancing our positions with the key growth market OEMs to continue expanding our worldwide leadership. We continue to build upon our extensive geographic reach to capitalize on fast-growing automotive markets. We believe that our presence in best cost countries positions us to realize incremental margin improvements as the global balance of automotive production shifts towards the key growth markets.

We have a strong local presence in China, including a major manufacturing base and well-established customer relationships. Each of our business segments have operations and sales in China. Our business in China remains sensitive to economic and market conditions that impact automotive sales volumes in China, and may be affected if the pace of growth slows as the Chinese market matures or if there are reductions in vehicle demand in China. However, we continue to believe there is long term growth potential in this market based on increasing long term automotive and vehicle content demand.

Market driven products. Our product offerings satisfy the OEMs’ needs to meet increasingly stringent government regulations and meet consumer preferences for products that address the mega-trends of Safe, Green and Connected, leading to increased content per vehicle, greater profitability and higher margins. With these offerings, we believe we are well-positioned to benefit from the growing demand for vehicle content and technology related to safety, electrification, high speed data, connectivity to the global information network and automated driving technologies. We are benefiting from the substantial increase in vehicle content, software and electrification that requires a complex and reliable electrical architecture and systems to operate, such as automated advanced driver assistance technologies, electrical vehicle monitoring, active safety systems, lane departure warning systems, integrated vehicle cockpit displays, navigation systems and technologies that enable connected infotainment in vehicles. Our ability to design a reliable electrical architecture that optimizes power distribution and/or consumption is key to satisfying the OEMs’ needs to reduce emissions while continuing to meet consumer demand for increased vehicle content and technology. We have developed a 48-volt mild hybrid vehicle electrical architecture solution, which maximizes the use of 48-volt electrification to minimize the demand on the engine, improving performance while lowering CO2 emissions by more than 10%.

Global capabilities. Many OEMs are continuing to adopt global vehicle platforms to increase standardization, reduce per unit cost and increase capital efficiency and profitability. As a result, OEMs are selecting suppliers that have the capability to manufacture products on a worldwide basis, as well as the flexibility to adapt to regional variations. Suppliers with global scale and strong design, engineering and manufacturing capabilities are best positioned to benefit from this trend. Our global footprint enables us to serve the global OEMs on a worldwide basis as we gain market share with the emerging market OEMs. This regional model principally services the North American market out of Mexico, the South American market out of Brazil, the European market out of Eastern Europe and North Africa and the Asia Pacific market out of China, and we have continued to rotate our manufacturing footprint to best cost locations within these regions.

Our global operations are subject to certain risks inherent in doing business abroad, including unexpected changes in laws, regulations, trade or monetary or tax fiscal policy, including tariffs, quotas, customs and other import or export restrictions and other trade barriers. Existing free trade laws and regulations, such as the North American Free Trade Agreement, provide certain beneficial duties and tariffs for qualifying imports and exports, subject to compliance with the applicable classification and other requirements. Changes in laws or policies governing the terms of foreign trade, and in particular increased trade restrictions, tariffs or taxes on imports from countries where we manufacture products, such as China and Mexico, could have a material adverse affect on our business and financial results.

Product development. The automotive component supply industry is highly competitive, both domestically and internationally, and is characterized by rapidly changing technology, evolving industry standards and changes in customer needs. Our ability to anticipate changes in technology and regulatory standards and to successfully develop and introduce new and enhanced products on a timely and cost competitive basis will be a significant factor in our ability to remain competitive. To compete effectively in the automotive supply industry, we must be able to develop and launch new products to meet our customers’ demands in a timely manner. Our innovative technologies and robust global engineering and development capabilities have well positioned us to meet the increasingly stringent vehicle manufacturer demands and consumer preferences for high-technology content in automobiles.

OEMs are increasingly looking to their suppliers to simplify vehicle design and assembly processes to reduce costs and weight. As a result, suppliers that sell vehicle components directly to manufacturers (Tier I suppliers) have assumed many of the design, engineering, research and development and assembly functions traditionally performed by vehicle manufacturers.

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Suppliers that can provide fully-engineered solutions, systems and pre-assembled combinations of component parts are positioned to leverage the trend toward system sourcing.

Engineering, design & development. Our history and culture of innovation have enabled us to develop significant intellectual property and design and development expertise to provide advanced technology solutions that meet the demands of our customers. We have a team of approximately 16,000 scientists, engineers and technicians focused on developing leading product solutions for our key markets, located at 14 major technical centers in China, Germany, India, Mexico, Poland, Singapore and the United States. We invest approximately $1.1 billion (which includes approximately $200 million co-investment by customers and government agencies) annually in research and development, including engineering, to maintain our portfolio of innovative products, and owned/held approximately 6,300 patents and protective rights as of December 31, 2017. We also encourage “open innovation” and collaborate extensively with peers in the industry, government agencies and academic institutions. For example, we have entered into a collaborative arrangement with Mobileye N.V. to jointly develop a complete turn-key fully autonomous driving platform for our OEM customers, with the goal of being production ready for 2019. Our technology competencies are recognized by both customers and government agencies, who have co-invested approximately $200 million annually in new product development, accelerating the pace of innovation and reducing the risk associated with successful commercialization of technological breakthroughs.

In the past, suppliers often incurred the initial cost of engineering, designing and developing automotive component parts, and recovered their investments over time by including a cost recovery component in the price of each part based on expected volumes. Recently, we and many other suppliers have negotiated for cost recovery payments independent of volumes. This trend reduces our economic risk.

Pricing. Cost-cutting initiatives adopted by our customers result in increased downward pressure on pricing. Our customer supply agreements generally require step-downs in component pricing over the periods of production and OEMs have historically possessed significant leverage over their outside suppliers because the automotive component supply industry is fragmented and serves a limited number of automotive OEMs. Our profitability depends in part on our ability to generate sufficient production cost savings in the future to offset price reductions.

We are focused on maintaining a low fixed cost structure that provides us flexibility to remain profitable at all points of the traditional vehicle industry production cycle. As a result, approximately 97% of our hourly workforce is located in best cost countries. Furthermore, we have substantial operational flexibility by leveraging a large workforce of temporary workers, which represented approximately 14% of the hourly workforce as of March 31, 2018. However, we will continue to adjust our cost structure and optimize our manufacturing footprint in response to changes in the global and regional automotive markets and in order to increase investment in advanced technologies and engineering, as evidenced by our on-going restructuring programs focused on the continued rotation of our manufacturing footprint to best cost locations in Europe and on reducing our global overhead costs. As we continue to operate in a cyclical industry that is impacted by movements in the global and regional economies, we continually evaluate opportunities to further refine our cost structure.

We have a strong balance sheet with gross debt of approximately $4.2 billion and substantial available liquidity of approximately $3.7 billion of cash and cash equivalents and available financing under our Revolving Credit Facility as of March 31, 2018, and no significant U.S. defined benefit or workforce postretirement health care benefits and employer-paid postretirement basic life insurance benefits (“OPEB”) liabilities. We intend to maintain strong financial discipline targeting industry-leading earnings growth, cash flow generation and return on invested capital and to maintain sufficient liquidity to sustain our financial flexibility throughout the industry cycle.

OEM product recalls. The number of vehicles recalled globally by OEMs has increased above historical levels. These recalls can either be initiated by the OEMs or influenced by regulatory agencies. Although there are differing rules and regulations across countries governing recalls for safety issues, the overall transition towards global vehicle platforms may also contribute to increased recalls outside of the U.S., as automotive components are increasingly standardized across regions. Given the sensitivity to safety issues in the automotive industry, including increased focus from regulators and consumers, we anticipate the number of automotive recalls may remain above historical levels in the near future. Although we engage in extensive product quality programs and processes, it is possible that we may be adversely affected in the future if the pace of these recalls continues.

For example, in September 2016, one of our OEM customers initiated a recall of approximately 3.64 million vehicles in the United States to enhance the airbag deployment system. The Company supplied sensors and related control modules for the airbags in the affected vehicles. Although Aptiv believes it supplied these components in compliance with the customer's product specifications and validation criteria, we assisted with our customer's efforts surrounding its recall, and during the first quarter of 2017, reached an agreement with our customer to share costs associated with the recall. Accordingly, during the three months endedMarch 31, 2017 we recognized an incremental $43 million charge in addition to our previously recorded reserve estimate related to this matter.

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Efficient use of capital. The global vehicle components industry is generally capital intensive and a portion of a supplier’s capital equipment is frequently utilized for specific customer programs. Lead times for procurement of capital equipment are long and typically exceed start of production by one to two years. Substantial advantages exist for suppliers that can leverage their prior investments in capital equipment or amortize the investment over higher volume global customer programs.

Industry consolidation. Consolidation among worldwide suppliers is expected to continue as suppliers seek to achieve operating synergies and value stream efficiencies, acquire complementary technologies and build stronger customer relationships as OEMs continue to expand globally. Additionally, new entrants from outside the traditional automotive industry may seek to gain access to certain vehicle component markets, as evidenced by the acquisition of Harman International Industries, Incorporated by Samsung Electronics Co., Ltd. and the acquisition of Mobileye N.V. by Intel Corporation. We believe companies with strong balance sheets and financial discipline are in the best position to take advantage of the industry consolidation trend.

Commercializing the high-tech evolution of the automotive industry. The automotive industry is increasingly evolving towards the implementation of software-dependent components and solutions. In particular, the industry is focused on the development of advanced driver assistance technologies, with the goal of developing and introducing a commercially-viable, fully automated driving experience. We expect automated driving technologies will provide strong societal benefit as well as the opportunity for long term growth for our product offerings in this space. We are continuing to invest in the automated driving space, and have continued to develop market-leading automated driving platform solutions such as automated driving software, key active safety sensing technologies and our Multi-Domain Controller, which fuses information from sensing systems as well as mapping and navigation data to make driving decisions.

We believe we are well-aligned with industry technology trends that will result in sustainable future growth in this space, and have partnered with leaders in their respective fields to advance the pace of development and commercialization of these emerging technologies. We have entered into a collaborative arrangement with Mobileye N.V. to jointly develop the Centralized Sensing Localization and Planning ("CSLP") system, a complete turn-key fully autonomous driving platform for our OEM customers and mobility partners, with the goal of being production ready in 2019. We also entered into a collaborative arrangement with Intel Corporation and the BMW Group to develop and deploy automated driving technology. Additionally, in 2017 we acquired nuTonomy, Inc. in order to further accelerate the commercialization of automated driving solutions. The acquisition of nuTonomy is the latest in a series of investments we have made to expand our position in the new mobility space, including the prior period acquisitions of automated driving software developer Ottomatika and data service companies Control-Tec and Movimento.

There has also been increasing societal demand for mobility on demand ("MoD") services, such as car- and ride-sharing, and an increasing number of traditional automotive companies have made investments in the MoD space. We believe the increasing societal demand for MoD services will accelerate the development of autonomous driving technologies, strongly benefiting the MoD space. We have entered into agreements with the Singapore Land Transport Authority and with the city of Boston to develop fully-autonomous vehicles and associated infrastructure as part of automated MoD pilots. As a result of our substantial investments and strategic partnerships, we believe we are well-aligned with industry technology trends that will result in sustainable future growth in these evolving areas.

We are focused on enabling and delivering end-to-end smart mobility solutions, accelerating the commercialization of active safety and autonomous driving technologies and providing enhanced user experience and connected services. Our Advanced Safety and User Experience segment is focused on providing the necessary software and advanced computing platforms, and our Signal and Power Solutions segment is focused on providing the requisite networking architecture required to support the integrated systems in today's complex vehicles. Together, our businesses develop the ‘brain’ and the ‘nervous system’ of increasingly complex vehicles, providing integration of the vehicle into its operating environment.

However, there are many risks associated with these evolving areas, including the high development costs of active safety and autonomous driving technologies, the uncertain timing of customer and consumer adoption of these technologies, increased competition from entrants outside the traditional automotive industry and new and emerging regulations, such as the recently released federal guidance for automated driving systems published by the U.S. Department of Transportation. While we believe we are well-positioned in these markets, the high development cost of active safety and autonomous driving technologies may result in a higher risk of exposure to the success of new or disruptive technologies different than those being developed by us.

Consolidated Results of Operations

Aptiv typically experiences fluctuations in revenue due to changes in OEM production schedules, vehicle sales mix and the net of new and lost business (which we refer to collectively as volume), increased prices attributable to escalation clauses in our supply contracts for recovery of increased commodity costs (which we refer to as commodity pass-through), fluctuations in foreign currency exchange rates (which we refer to as FX), contractual reductions of the sales price to the OEM (which we

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refer to as contractual price reductions) and engineering changes. Changes in sales mix can have either favorable or unfavorable impacts on revenue. Such changes can be the result of shifts in regional growth, shifts in OEM sales demand, as well as shifts in consumer demand related to vehicle segment purchases and content penetration. For instance, a shift in sales demand favoring a particular OEM’s vehicle model for which we do not have a supply contract may negatively impact our revenue. A shift in regional sales demand toward certain markets could favorably impact the sales of those of our customers that have a large market share in those regions, which in turn would be expected to have a favorable impact on our revenue.

We typically experience (as described below) fluctuations in operating income due to:

• Volume, net of contractual price reductions—changes in volume offset by contractual price reductions (which typically range from 1% to 3% of net sales) and changes in mix;

• Operational performance—changes to costs for materials and commodities or manufacturing variances; and

• Other—including restructuring costs and any remaining variances not included in Volume, net of contractual price reductions or Operational performance.

The automotive component supply industry is traditionally subject to inflationary pressures with respect to raw materials and labor which may place operational and profitability burdens on the entire supply chain. We will continue to work with our customers and suppliers to mitigate the impact of these inflationary pressures in the future. In addition, we expect commodity cost volatility, particularly related to copper and petroleum-based resin products, to have a continual impact on future earnings and/or operating cash flows. As such, we continually seek to mitigate both inflationary pressures and our material-related cost exposures using a number of approaches, including combining purchase requirements with customers and/or other suppliers, using alternate suppliers or product designs, negotiating cost reductions and/or commodity cost contract escalation clauses into our vehicle manufacturer supply contracts, and hedging.

Three Months EndedMarch 31, 2018 versus Three Months EndedMarch 31, 2017

The results of operations for the three months endedMarch 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018				2017				Favorable/(unfavorable)
	(dollars in millions)
Net sales	$	3,630			$	3,143			$	487
Cost of sales	2,947				2,544				(403		)
Gross margin	683			18.8%	599			19.1%	84
Selling, general and administrative	259				225				(34		)
Amortization	30				29				(1		)
Restructuring	20				52				32
Operating income	374				293				81
Interest expense	(34		)		(33		)		(1		)
Other income (expense), net	30				(23		)		53
Income from continuing operations before income taxes and equity income	370				237				133
Income tax expense	(59		)		(19		)		(40		)
Income from continuing operations before equity income	311				218				93
Equity income, net of tax	5				11				(6		)
Income from continuing operations	316				229				87
Income from discontinued operations, net of tax	—				123				(123		)
Net income	316				352				(36		)
Net income attributable to noncontrolling interest	9				17				(8		)
Net income attributable to Aptiv	$	307			$	335			$	(28	)

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Total Net Sales

Below is a summary of our total net sales for the three months endedMarch 31, 2018 versus March 31, 2017.

	Three Months Ended March 31,						Variance Due To:
	2018		2017		Favorable/(unfavorable)		Volume, net of contractual price reductions		FX		Commodity pass-through		Other		Total
	(in millions)						(in millions)
Total net sales	$	3,630	$	3,143	$	487	$	246	$	188	$	53	$	—	$	487

Total net sales for the three months endedMarch 31, 2018increased15% compared to the three months endedMarch 31, 2017. We experienced volume growth of 10% for the period, primarily as a result of increased sales across each region and favorable foreign currency impacts, primarily related to the Euro and Chinese Yuan Renminbi, which was partially offset by decreases due to contractual price reductions.

Cost of Sales

Cost of sales is primarily comprised of material, labor, manufacturing overhead, freight, fluctuations in foreign currency exchange rates, product engineering, design and development expenses, depreciation and amortization, warranty costs and other operating expenses. Gross margin is revenue less cost of sales and gross margin percentage is gross margin as a percentage of net sales.

Cost of sales increased$403 million for the three months endedMarch 31, 2018 compared to the three months endedMarch 31, 2017, as summarized below. The Company's material cost of sales was approximately 50% of net sales in both the three months endedMarch 31, 2018 and 2017.

	Three Months Ended March 31,									Variance Due To:
	2018			2017			Favorable/(unfavorable)			Volume (a)			FX			Operational performance			Other			Total
	(dollars in millions)									(in millions)
Cost of sales	$	2,947		$	2,544		$	(403	)	$	(235	)	$	(129	)	$	(17	)	$	(22	)	$	(403	)
Gross margin	$	683		$	599		$	84		$	11		$	59		$	(17	)	$	31		$	84
Percentage of net sales	18.8		%	19.1		%

(a) Presented net of contractual price reductions for gross margin variance.

The increase in cost of sales reflects increased volumes and the impacts from currency exchange, as well as incremental investment in advanced technologies and engineering for the three month period. Cost of sales was also impacted by the following items in Other above:

• $29 million of increased depreciation and amortization, primarily as a result of a higher fixed asset base; and

• $53 million of increased commodity costs; partially offset by

• $57 million of decreased warranty costs, primarily due to the accrual of $43 million during the three months endedMarch 31, 2017 as a result of an agreement reached with one of our customers for a specific warranty matter, as further described in Note 6. Warranty Obligations to the consolidated financial statements contained herein.

Selling, General and Administrative Expense

	Three Months Ended March 31,
	2018			2017			Favorable/ (unfavorable)
	(dollars in millions)
Selling, general and administrative expense	$	259		$	225		$	(34	)
Percentage of net sales	7.1		%	7.2		%

Selling, general and administrative expense ("SG&A") includes administrative expenses, information technology costs and incentive compensation related costs, and decreased as a percentage of sales for the three months endedMarch 31, 2018 as

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compared to 2017, primarily due to the impact of cost reduction initiatives, including our continuing rotation to best cost manufacturing locations in Europe and initiatives focused on reducing global overhead costs.

Amortization

	Three Months Ended March 31,
	2018		2017		Favorable/ (unfavorable)
	(in millions)
Amortization	$	30	$	29	$	(1	)

Amortization expense reflects the non-cash charge related to definite-lived intangible assets. The consistency in amortization during the three months endedMarch 31, 2018 compared to 2017 reflects the continued amortization of our definite-lived intangible assets, which resulted primarily from our acquisitions, over their estimated useful lives.

Restructuring

	Three Months Ended March 31,
	2018			2017			Favorable/ (unfavorable)
	(dollars in millions)
Restructuring	$	20		$	52		$	32
Percentage of net sales	0.6		%	1.7		%

The decrease in restructuring expense recorded during the three months endedMarch 31, 2018 as compared to the three months endedMarch 31, 2017 is primarily attributable to a decrease in costs recognized for plant closures as compared to the prior period.

The Company recorded employee-related and other restructuring charges related to these programs totaling approximately $20 million during the three months endedMarch 31, 2018, which is primarily comprised of $12 million recognized for programs focused on the continued rotation of our manufacturing footprint to best cost locations in Europe, as well as for programs implemented to reduce global overhead costs.

Restructuring costs of approximately $52 million were recorded during the three months endedMarch 31, 2017, primarily attributable to the recognition of approximately $36 million of employee-related and other costs related to the initiation of a program to close a Western European Advanced Safety and User Experience manufacturing site, pursuant to the Company's on-going European footprint rotation strategy.

We expect to continue to incur additional restructuring expense in 2018, primarily related to programs focused on the continued rotation of our manufacturing footprint to best cost locations in Europe and to reduce global overhead costs, including realignment of the Company's organizational structure due to changes in roles and workforce resulting from the spin-off of the Powertrain Systems segment. Additionally, as we continue to operate in a cyclical industry that is impacted by movements in the global and regional economies, we continually evaluate opportunities to further adjust our cost structure and optimize our manufacturing footprint. The Company plans to implement additional restructuring activities in the future, if necessary, in order to align manufacturing capacity and other costs with prevailing regional automotive production levels and locations, to improve the efficiency and utilization of other locations and in order to increase investment in advanced technologies and engineering. Such future restructuring actions are dependent on market conditions, customer actions and other factors.

Refer to Note 7. Restructuring to the consolidated financial statements contained herein for additional information.

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Interest Expense

	Three Months Ended March 31,
	2018		2017		Favorable/ (unfavorable)
	(in millions)
Interest expense	$	34	$	33	$	(1	)

Refer to Note 8. Debt to the consolidated financial statements contained herein for additional information.

Other Income, Net

	Three Months Ended March 31,
	2018		2017			Favorable/ (unfavorable)
	(in millions)
Other income (expense), net	$	30	$	(23	)	$	53

As further discussed in Note 14. Derivatives and Hedging Activities to the consolidated financial statements contained herein, during the three months endedMarch 31, 2018, Aptiv recorded a gain of $11 million on forward contracts entered into in order to hedge portions of the currency risk associated with the cash payment for the proposed acquisition of KUM. Additionally, as further discussed in Note 21. Discontinued Operations to the consolidated financial statements contained herein, during the three months endedMarch 31, 2018, Aptiv recorded $3 million for certain fees earned pursuant to the Transition Services Agreement in connection with the Separation of the Company's former Powertrain Systems business.

As further discussed in Note 10. Commitments and Contingencies to the consolidated financial statements contained herein, during the three months endedMarch 31, 2017, Aptiv recorded an incremental reserve of $27 million as a result of a ruling in the Unsecured Creditors litigation related to pre-judgment interest, which was in addition to the Company's previously recorded reserve for this matter.

Income Taxes

	Three Months Ended March 31,
	2018		2017		Favorable/ (unfavorable)
	(in millions)
Income tax expense	$	59	$	19	$	(40	)

The Company’s effective tax rate was impacted by unfavorable changes in geographic income mix in 2018 as compared to 2017, primarily due to changes in the underlying business operations and the receipt of certain tax incentives and holidays that reduced the effective tax rate for certain subsidiaries below the statutory rate during the three months endedMarch 31, 2017.

The Company’s effective tax rate for the three months endedMarch 31, 2018 also includes net discrete tax benefits of $1 million, primarily related to changes in reserves, offset by provision to return adjustments. The effective tax rate for the three months endedMarch 31, 2017 includes net discrete tax benefits of $8 million, primarily related to provision to return adjustments.

Equity Income

	Three Months Ended March 31,
	2018		2017		Favorable/ (unfavorable)
	(in millions)
Equity income, net of tax	$	5	$	11	$	(6	)

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Equity income, net of tax reflects the Company's interest in the results of ongoing operations of entities accounted for as equity-method investments. Equity income decreased for the three months endedMarch 31, 2018 as compared to the three months endedMarch 31, 2017, primarily attributable to the performance of our joint ventures in North America and Asia Pacific as compared to the prior period.

Income from Discontinued Operations

	Three Months Ended March 31,
	2018		2017		Favorable/ (unfavorable)
	(in millions)
Income from discontinued operations, net of tax	$	—	$	123	$	(123	)

Income from discontinued operations, net of tax reflects the results of the Company's previously reported Powertrain Systems segment, which has been reclassified to discontinued operations as a result of the spin-off of this business in December 2017. No amounts were recorded to discontinued operations for the three months endedMarch 31, 2018.

Refer to Note 21. Discontinued Operations to the consolidated financial statements contained herein for additional information.

Results of Operations by Segment

We operate our core business along the following operating segments, which are grouped on the basis of similar product, market and operating factors:

• Signal and Power Solutions, which includes complete electrical architecture and component products.

• Advanced Safety and User Experience, which includes component and systems integration expertise in infotainment and connectivity, body controls and security systems, displays, active and passive safety electronics, autonomous driving software and technologies, as well as advanced development of software.

• Eliminations and Other, which includes i) the elimination of inter-segment transactions, and ii) certain other expenses and income of a non-operating or strategic nature.

As described in Note 21. Discontinued Operations to the consolidated financial statements contained herein, the Company's previously reported Powertrain Systems segment has been classified as discontinued operations for all periods presented. Certain original equipment service businesses that were previously included within the Powertrain Systems segment but which was not included in the spin-off, are reported in continuing operations and have been reclassified within the Advanced Safety and User Experience and Signal and Power Solutions segments for all periods presented. No amounts for shared general and administrative operating expense or interest expense were allocated to discontinued operations.

Our management utilizes segment Adjusted Operating Income as the key performance measure of segment income or loss and for planning and forecasting purposes, as management believes this measure is most reflective of the operational profitability or loss of our operating segments. Segment Adjusted Operating Income should not be considered a substitute for results prepared in accordance with U.S. GAAP and should not be considered an alternative to net income attributable to Aptiv, which is the most directly comparable financial measure to Adjusted Operating Income that is prepared in accordance with U.S. GAAP. Segment Adjusted Operating Income, as determined and measured by Aptiv, should also not be compared to similarly titled measures reported by other companies.

The reconciliation of Adjusted Operating Income to Operating Income includes, as applicable, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions. The reconciliation of Adjusted Operating Income to net income attributable to Aptiv for the three months endedMarch 31, 2018 and 2017 are as follows:

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	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2018:
Adjusted operating income	$	351		$	76		$	—	$	427
Restructuring	(18		)	(2		)	—		(20		)
Other acquisition and portfolio project costs	(11		)	(8		)	—		(19		)
Deferred compensation related to nuTonomy acquisition	—			(14		)	—		(14		)
Operating income	$	322		$	52		$	—	374
Interest expense									(34		)
Other income, net									30
Income from continuing operations before income taxes and equity income									370
Income tax expense									(59		)
Equity income, net of tax									5
Income from continuing operations									316
Income from discontinued operations, net of tax									—
Net income									316
Net income attributable to noncontrolling interest									9
Net income attributable to Aptiv									$	307

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2017:
Adjusted operating income	$	309		$	43		$	—	$	352
Restructuring	(13		)	(39		)	—		(52		)
Other acquisition and portfolio project costs	(5		)	(1		)	—		(6		)
Asset impairments	—			(1		)	—		(1		)
Operating income	$	291		$	2		$	—	293
Interest expense									(33		)
Other expense, net									(23		)
Income from continuing operations before income taxes and equity income									237
Income tax expense									(19		)
Equity income, net of tax									11
Income from continuing operations									229
Income from discontinued operations, net of tax									123
Net income									352
Net income attributable to noncontrolling interest									17
Net income attributable to Aptiv									$	335

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Net sales, gross margin as a percentage of net sales and Adjusted Operating Income by segment for the three months endedMarch 31, 2018 and 2017 are as follows:

Net Sales by Segment

	Three Months Ended March 31,								Variance Due To:
	2018			2017			Favorable/ (unfavorable)		Volume, net of contractual price reductions		FX			Commodity pass-through		Other		Total
	(in millions)								(in millions)
Signal and Power Solutions	$	2,617		$	2,342		$	275	$	84	$	138		$	53	$	—	$	275
Advanced Safety and User Experience	1,032			821			211		159		52			—		—		211
Eliminations and Other	(19		)	(20		)	1		3		(2		)	—		—		1
Total	$	3,630		$	3,143		$	487	$	246	$	188		$	53	$	—	$	487

Gross Margin Percentage by Segment

	Three Months Ended March 31,
	2018		2017
Signal and Power Solutions	21.4	%	21.6	%
Advanced Safety and User Experience (1)	12.0	%	11.4	%
Eliminations and Other	—	%	—	%
Total	18.8	%	19.1	%

(1) Includes the accrual of $43 million for a specific warranty matter during the three months endedMarch 31, 2017, as further described in Note 6. Warranty Obligations to the consolidated financial statements contained herein.

Adjusted Operating Income by Segment

	Three Months Ended March 31,						Variance Due To:
	2018		2017		Favorable/ (unfavorable)		Volume, net of contractual price reductions			Operational performance			Other		Total
	(in millions)						(in millions)
Signal and Power Solutions	$	351	$	309	$	42	$	(14	)	$	18		$	38	$	42
Advanced Safety and User Experience	76		43		33		25			(21		)	29		33
Eliminations and Other	—		—		—		—			—			—		—
Total	$	427	$	352	$	75	$	11		$	(3	)	$	67	$	75

As noted in the table above, Adjusted Operating Income for the three months endedMarch 31, 2018 as compared to the three months endedMarch 31, 2017 was impacted by volume and contractual price reductions, including product mix, and operational performance improvements which were offset by incremental investment in advanced technologies and engineering, as well as the following items included within Other in the table above:

• $57 million of decreased warranty costs, primarily due to the accrual of $43 million during the three months endedMarch 31, 2017 within the Advanced Safety and User Experience segment as a result of an agreement reached with one of our customers for a specific warranty matter, as further described in Note 6. Warranty Obligations to the consolidated financial statements contained herein; and

• Favorable foreign currency impacts of $45 million, primarily related to the Euro and Chinese Yuan Renminbi; partially offset by

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• $30 million of increased depreciation and amortization, not including the impact of asset impairments, primarily as a result of a higher fixed asset base; and

• $34 million of increased SG&A expenses, primarily attributable to increased information technology costs and increased investments in mobility.

Liquidity and Capital Resources

Overview of Capital Structure

Our liquidity requirements are primarily to fund our business operations, including capital expenditures and working capital requirements, as well as to fund debt service requirements, operational restructuring activities and dividends on share capital. Our primary sources of liquidity are cash flows from operations, our existing cash balance, and as necessary, borrowings under available credit facilities and issuance of long-term debt. To the extent we generate discretionary cash flow we may consider using this additional cash flow for optional prepayments of existing indebtedness, strategic acquisitions or investments, additional share repurchases and/or general corporate purposes. We will also continually explore ways to enhance our capital structure.

As of March 31, 2018, we had cash and cash equivalents of $1.3 billion and net debt (defined as outstanding debt less cash and cash equivalents) of $2.9 billion. We also have access to additional liquidity pursuant to the terms of the $2.0 billion Revolving Credit Facility and the €300 million committed European accounts receivable factoring facility, as described below.

The following table summarizes our available liquidity, which includes cash, cash equivalents and funds available under our significant committed credit facilities, as of March 31, 2018. The amounts disclosed as available under the Company’s significant committed credit facilities are available without violating our existing debt covenants, which are described below.

	March 31, 2018
	(in millions)
Cash and cash equivalents	$	1,345
Revolving Credit Facility, unutilized portion (1)	1,993
Committed European accounts receivable factoring facility, unutilized portion (2)	369
Total available liquidity	$	3,707

(1) Availability reduced by $7 million in letters of credit issued under the Credit Agreement as of March 31, 2018.

(2) Based on March 31, 2018 foreign currency rates, subject to the availability of eligible accounts receivable.

We expect existing cash, available liquidity and cash flows from operations to continue to be sufficient to fund our global operating activities, including restructuring payments, any mandatory payments required under the Credit Agreement as described below, dividends on ordinary shares and capital expenditures. In addition, we expect to continue to repurchase outstanding ordinary shares pursuant to our authorized ordinary share repurchase program, as further described below.

We also continue to expect to be able to move funds between different countries to manage our global liquidity needs without material adverse tax implications, subject to current monetary policies and to the terms of the Credit Agreement. While a substantial portion of our operating income is generated by our non-U.S. subsidiaries, and as of March 31, 2018, the Company's cash and cash equivalents held by our non-U.S. subsidiaries totaled $1,278 million, we utilize a combination of strategies, including dividends, cash pooling arrangements, intercompany loan repayments and other distributions and advances to provide the funds necessary to meet our global liquidity needs. There are no significant restrictions on the ability of our subsidiaries to pay dividends or make other distributions to Aptiv. If additional non-U.S. cash was needed for our U.S. operations, we may be required to accrue and pay withholding if we were to distribute such funds from non-U.S. subsidiaries to the U.S.; however, based on our current liquidity needs and strategies, we do not anticipate a need to accrue and pay such additional amounts.

Based on these factors, we believe we possess sufficient liquidity to fund our global operations and capital investments in 2018 and beyond.

Spin-Off of Powertrain Systems Segment into Delphi Technologies

On December 4, 2017, the Company completed the Separation of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies, a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders

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one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution.

On December 4, 2017, pursuant to the Separation and Distribution Agreement, the Company transferred to Delphi Technologies the assets and liabilities that comprised Delphi Technologies’ business. The Company received a dividend of approximately $1,148 million from Delphi Technologies in connection with the Separation. The Company intends to use the proceeds received from the dividend to fund growth initiatives, including increased investment in advanced technologies and engineering, and for general corporate purposes.

In connection with the Separation, Aptiv and Delphi Technologies entered into various agreements to effect the Separation and to provide a framework for their relationship following the Separation, which included a Separation and Distribution Agreement, a Transition Services Agreement, a Tax Matters Agreement, an Employee Matters Agreement and Contract Manufacturing Services Arrangements. The transition services primarily involve Aptiv providing certain services to Delphi Technologies related to information technology and human resource infrastructure for terms of up to 24 months following the Separation. In addition, Aptiv is also party to various commercial agreements with Delphi Technologies entities. In connection with the Separation, the Company received $180 million in cash from Delphi Technologies pursuant to the Tax Matters Agreement.

Share Repurchases

In April 2016, the Board of Directors authorized a share repurchase program of up to $1.5 billion of ordinary shares, which commenced in September 2016 following the completion of the Company's $1.5 billion January 2015 share repurchase program. This share repurchase program provides for share purchases in the open market or in privately negotiated transactions, depending on share price, market conditions and other factors, as determined by the Company.

A summary of the ordinary shares repurchased during the three months endedMarch 31, 2018 and 2017 is as follows:

	Three Months Ended March 31,
	2018		2017
Total number of shares repurchased	1,676,144		2,555,703
Average price paid per share	$	89.17	$	75.52
Total (in millions)	$	149	$	193

As of March 31, 2018, approximately $840 million of share repurchases remained available under the April 2016 share repurchase program. All repurchased shares were retired, and are reflected as a reduction of ordinary share capital for the par value of the shares, with the excess applied as reductions to additional paid-in-capital and retained earnings.

Dividends to Holders of Ordinary Shares

The Company has declared and paid cash dividends per ordinary share during the periods presented as follows:

	Dividend		Amount
	Per Share		(in millions)
2018:
First quarter	$	0.22	$	59
Total	$	0.22	$	59
2017:
Fourth quarter	$	0.29	$	77
Third quarter	0.29		77
Second quarter	0.29		78
First quarter	0.29		78
Total	$	1.16	$	310

In addition, in April 2018, the Board of Directors declared a regular quarterly cash dividend of $0.22 per ordinary share, payable May 23, 2018 to shareholders of record at the close of business on May 9, 2018.

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Acquisitions

KUM—On February 28, 2018, Aptiv agreed to acquire KUM LLC ("KUM"), a specialized manufacturer of connectors for the automotive industry, for total consideration of approximately $500 million. The acquisition is subject to the satisfaction of customary closing conditions and the receipt of regulatory and other approvals, and is expected to close mid-2018. The Company intends to acquire KUM utilizing cash on hand. Upon completion, KUM will become part of the Signal and Power Solutions segment.

nuTonomy—On November 21, 2017, Aptiv acquired 100% of the equity interests of nuTonomy, Inc. ("nuTonomy"), a leading provider of autonomous driving software and technology, for total consideration of up to $454 million. Of the total consideration, $284 million of the purchase price was paid at closing, subject to certain post-closing adjustments, and $109 million of the purchase price will vest to certain selling shareholders in annual installments over a 3-year period from the acquisition date, subject to such shareholders' compliance with certain employment conditions. Of the $109 million, approximately $7 million is payable after one year and approximately $51 million is payable after each of the second and third years following the acquisition date. These remaining installments will be recorded as a component of cost of sales ratably over the respective installment period. As further described in Note 17. Acquisitions and Divestitures to the consolidated financial statements contained herein, the acquisition was accounted for as a business combination, with the operating results of nuTonomy included within the Company's Advanced Safety and User Experience segment from the date of acquisition. The Company acquired nuTonomy utilizing cash on hand.

Movimento—On January 3, 2017, Aptiv acquired 100% of the equity interests of Movimento Group ("Movimento"), a leading provider of Over-the-Air software and data management for the automotive sector, for a purchase price of $40 million at closing and an additional cash payment of up to $10 million contingent upon the achievement of certain performance metrics over a future 2-year period. As further described in Note 17. Acquisitions and Divestitures to the consolidated financial statements contained herein, the acquisition was accounted for as a business combination, with the operating results of Movimento included within the Company's Advanced Safety and User Experience segment from the date of acquisition. The Company acquired Movimento utilizing cash on hand.

Technology Investments—During the first quarter of 2017, the Company's Advanced Safety and User Experience segment made a $15 million investment in Otonomo Technologies Ltd., the developer of a connected car data marketplace. These investments are accounted for in accordance with ASU 2016-01, as described in Note 2. Significant Accounting Policies to the consolidated financial statements contained herein.

Divestitures

Powertrain Systems Spin-Off—As described above, on December 4, 2017, the Company completed the spin-off of its former Powertrain Systems segment into a new publicly traded company, Delphi Technologies PLC. In connection with the Separation, the Company received a dividend of approximately $1,148 million from Delphi Technologies in connection with the Separation. The Company intends to use the proceeds received from the dividend to fund growth initiatives, including increased investment in advanced technologies and engineering. The requirements for presenting Delphi Technologies as a discontinued operation were met when the Separation was completed. Accordingly, the accompanying consolidated financial statements reflect this business as a discontinued operation for all periods presented. Refer to Note 21. Discontinued Operations to the consolidated financial statements contained herein for further disclosure related to the Company's discontinued operations.

Credit Agreement

Aptiv PLC and its wholly-owned subsidiary Delphi Corporation entered into a credit agreement (the "Credit Agreement") with JPMorgan Chase Bank, N.A., as administrative agent (the "Administrative Agent"), under which it maintains senior secured credit facilities currently consisting of a term loan (the “Tranche A Term Loan”) and a revolving credit facility of $2.0 billion (the “Revolving Credit Facility”). The Credit Agreement was entered into in March 2011 and has been subsequently amended and restated on several occasions, most recently on August 17, 2016. The 2016 amendment extended the maturity of the Revolving Credit Facility and the Tranche A Term Loan from 2018 to 2021, increased the capacity of the Revolving Credit Facility from $1.5 billion to $2.0 billion and permitted Aptiv PLC to act as a borrower on the Revolving Credit Facility.

The Tranche A Term Loan and the Revolving Credit Facility mature on August 17, 2021. Beginning in the fourth quarter of 2017, Aptiv was obligated to begin making quarterly principal payments throughout the term of the Tranche A Term Loan, according to the amortization schedule in the Credit Agreement. The Credit Agreement also contains an accordion feature that permits Aptiv to increase, from time to time, the aggregate borrowing capacity under the Credit Agreement by up to an additional $1 billion (or a greater amount based upon a formula set forth in the Credit Agreement) upon Aptiv's request, the agreement of the lenders participating in the increase, and the approval of the Administrative Agent and existing lenders.

As of March 31, 2018, there were no amounts drawn on the Revolving Credit Facility and approximately $7 million in letters of credit issued under the Credit Agreement. Letters of credit issued under the Credit Agreement reduce availability

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under the Revolving Credit Facility. No amounts were drawn on the Revolving Credit Facility during the three months endedMarch 31, 2018.

Loans under the Credit Agreement bear interest, at Aptiv's option, at either (a) the Administrative Agent’s Alternate Base Rate (“ABR” as defined in the Credit Agreement) or (b) the London Interbank Offered Rate (the “Adjusted LIBO Rate” as defined in the Credit Agreement) (“LIBOR”) plus in either case a percentage per annum as set forth in the table below (the “Applicable Rate”). The Applicable Rates under the Credit Agreement on the specified dates are set forth below:

	March 31, 2018				December 31, 2017
	LIBOR plus		ABR plus		LIBOR plus		ABR plus
Revolving Credit Facility	1.10	%	0.10	%	1.10	%	0.10	%
Tranche A Term Loan	1.25	%	0.25	%	1.25	%	0.25	%

The Applicable Rate under the Credit Agreement may increase or decrease from time to time based on changes in the Company's credit ratings. Accordingly, the interest rate will fluctuate during the term of the Credit Agreement based on changes in the ABR, LIBOR or future changes in the Company's corporate credit ratings. The Credit Agreement also requires that Aptiv pay certain facility fees on the Revolving Credit Facility and certain letter of credit issuance and fronting fees.

The interest rate period with respect to LIBOR interest rate options can be set at one-, two-, three-, or six-months as selected by Aptiv in accordance with the terms of the Credit Agreement (or other period as may be agreed by the applicable lenders). Aptiv may elect to change the selected interest rate option in accordance with the provisions of the Credit Agreement. As of March 31, 2018, Aptiv selected the one-month LIBOR interest rate option on the Tranche A Term Loan, and the rate effective as of March 31, 2018, as detailed in the table below, was based on the Company's current credit rating and the Applicable Rate for the Credit Agreement:

		Borrowings as of
		March 31, 2018		Rate effective as of
	Applicable Rate	(in millions)		March 31, 2018
Tranche A Term Loan	LIBOR plus 1.25%	$	395	3.06	%

Borrowings under the Credit Agreement are prepayable at Aptiv's option without premium or penalty.

The Credit Agreement contains certain covenants that limit, among other things, the Company’s (and the Company’s subsidiaries’) ability to incur certain additional indebtedness or liens or to dispose of substantially all of its assets. In addition, the Credit Agreement requires that the Company maintain a consolidated leverage ratio (the ratio of Consolidated Total Indebtedness to Consolidated EBITDA, each as defined in the Credit Agreement) of less than 3.50 to 1.0. The Credit Agreement also contains events of default customary for financings of this type. The Company was in compliance with the Credit Agreement covenants as of March 31, 2018.

As of March 31, 2018, all obligations under the Credit Agreement were borrowed by Delphi Corporation and jointly and severally guaranteed by its direct and indirect parent companies, subject to certain exceptions set forth in the Credit Agreement. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements to the consolidated financial statements contained herein for additional information.

Senior Unsecured Notes

On March 3, 2014, Delphi Corporation issued $700 million in aggregate principal amount of 4.15% senior unsecured notes due 2024 (the “2014 Senior Notes”) in a transaction registered under the Securities Act. The 2014 Senior Notes were priced at 99.649% of par, resulting in a yield to maturity of 4.193%. The proceeds were primarily utilized to redeem $500 million of 5.875% senior unsecured notes due 2019 and to repay a portion of the Tranche A Term Loan. Aptiv paid approximately $6 million of issuance costs in connection with the 2014 Senior Notes. Interest is payable semi-annually on March 15 and September 15 of each year to holders of record at the close of business on March 1 or September 1 immediately preceding the interest payment date.

On March 10, 2015, Aptiv PLC issued €700 million in aggregate principal amount of 1.50% Euro-denominated senior unsecured notes due 2025 (the “2015 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2015 Euro-denominated Senior Notes were priced at 99.54% of par, resulting in a yield to maturity of 1.55%. The proceeds were primarily utilized to redeem $500 million of 6.125% senior unsecured notes due 2021, and to fund growth initiatives, such as acquisitions, and share repurchases. Aptiv incurred approximately $5 million of issuance costs in connection with the 2015 Euro-denominated Senior Notes. Interest is payable annually on March 10. The Company has designated the 2015 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-

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denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities to the consolidated financial statements contained herein for further information.

On November 19, 2015, Aptiv PLC issued $1.3 billion in aggregate principal amount of senior unsecured notes in a transaction registered under the Securities Act, comprised of $650 million of 3.15% senior unsecured notes due 2020 (the "3.15% Senior Notes") and $650 million of 4.25% senior unsecured notes due 2026 (the "4.25% Senior Notes") (collectively, the "2015 Senior Notes"). The 3.15% Senior Notes were priced at 99.784% of par, resulting in a yield to maturity of 3.197%, and the 4.25% Senior Notes were priced at 99.942% of par, resulting in a yield to maturity of 4.256%. The proceeds were primarily utilized to fund a portion of the cash consideration for the acquisition of HellermannTyton PLC and for general corporate purposes, including the payment of fees and expenses associated with the HellermannTyton PLC acquisition and the related financing transaction. Aptiv incurred approximately $8 million of issuance costs in connection with the 2015 Senior Notes. Interest on the 3.15% Senior Notes is payable semi-annually on May 19 and November 19 of each year to holders of record at the close of business on May 4 or November 4 immediately preceding the interest payment date. Interest on the 4.25% Senior Notes is payable semi-annually on January 15 and July 15 of each year to holders of record at the close of business on January 1 or July 1 immediately preceding the interest payment date.

On September 15, 2016, Aptiv PLC issued €500 million in aggregate principal amount of 1.60% Euro-denominated senior unsecured notes due 2028 (the “2016 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2016 Euro-denominated Senior Notes were priced at 99.881% of par, resulting in a yield to maturity of 1.611%. The proceeds, together with proceeds from the 2016 Senior Notes described below, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $4 million of issuance costs in connection with the 2016 Euro-denominated Senior Notes. Interest is payable annually on September 15. The Company has designated the 2016 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities to the consolidated financial statements contained herein for further information.

On September 20, 2016, Aptiv PLC issued $300 million in aggregate principal amount of 4.40% senior unsecured notes due 2046 (the “2016 Senior Notes”) in a transaction registered under the Securities Act. The 2016 Senior Notes were priced at 99.454% of par, resulting in a yield to maturity of 4.433%. The proceeds, together with proceeds from the 2016 Euro-denominated Senior Notes, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $3 million of issuance costs in connection with the 2016 Senior Notes. Interest is payable semi-annually on April 1 and October 1 of each year to holders of record at the close of business on March 15 or September 15 immediately preceding the interest payment date.

Although the specific terms of each indenture governing each series of senior notes vary, the indentures contain certain restrictive covenants, including with respect to Aptiv's (and Aptiv's subsidiaries) ability to incur liens, enter into sale and leaseback transactions and merge with or into other entities. As of March 31, 2018, the Company was in compliance with the provisions of all series of the outstanding senior notes.

The 2014 Senior Notes were issued by Delphi Corporation. The 2014 Senior Notes are fully and unconditionally guaranteed, jointly and severally, by Aptiv PLC and by certain of Aptiv PLC's direct and indirect subsidiaries which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions (other than in the case of Aptiv PLC). The 2015 Euro-denominated Senior Notes, 2015 Senior Notes, 2016 Euro-denominated Senior Notes and 2016 Senior Notes issued by Aptiv PLC are fully and unconditionally guaranteed, jointly and severally, by certain of Aptiv PLC's direct and indirect subsidiaries (including Delphi Corporation), which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements to the consolidated financial statements contained herein for additional information.

Other Financing

Receivable factoring—Aptiv maintains a €300 million European accounts receivable factoring facility that is available on a committed basis. This facility is accounted for as short-term debt and borrowings are subject to the availability of eligible accounts receivable. Collateral is not required related to these trade accounts receivable. This program renews on a non-committed, indefinite basis unless terminated by either party. Borrowings bear interest at Euro Interbank Offered Rate ("EURIBOR") plus 0.42% for borrowings denominated in Euros. No amounts were outstanding on the European accounts receivable factoring facility as of March 31, 2018 or December 31, 2017. No amounts were drawn under the European facility during the three months endedMarch 31, 2018 to manage working capital requirements.

Capital leases and other—As of March 31, 2018 and December 31, 2017, approximately $80 million and $42 million, respectively, of other debt primarily issued by certain non-U.S. subsidiaries and capital lease obligations were outstanding.

Government programs—Aptiv commonly seeks manufacturing development and financial assistance incentive programs that may be awarded by government entities. Aptiv has numerous technology development programs that are competitively

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awarded from agencies of the U.S. Federal Government, primarily from the U.S. Department of Energy (“DOE”). We received less than $1 million from Federal agencies in the three months endedMarch 31, 2018 for work performed. These programs supplement our internal research and development funds and directly support our product focus of Safe, Green and Connected. We continue to pursue many technology development programs by bidding on competitively procured programs from DOE, as well as the U.S. Department of Transportation (“DOT”). Some of these programs were bid with us being the lead or “Prime Contractor,” and some were bid with us as a “Subrecipient” to the Prime Contractor.

Cash Flows

Intra-month cash flow cycles vary by region, but in general we are users of cash through the first half of a typical month and we generate cash during the latter half of a typical month. Due to this cycle of cash flows, we may utilize short-term financing, including our Revolving Credit Facility and European accounts receivable factoring facility, to manage our intra-month working capital needs. Our cash balance typically peaks at month end.

We utilize a combination of strategies, including dividends, cash pooling arrangements, intercompany loan structures and other distributions and advances to provide the funds necessary to meet our global liquidity needs. We utilize a global cash pooling arrangement to consolidate and manage our global cash balances, which enables us to efficiently move cash into and out of a number of the countries in which we operate.

Operating activities—Net cash provided by operating activities from continuing operations totaled $186 million and $258 million for the three months endedMarch 31, 2018 and 2017, respectively. Cash flow from operating activities from continuing operations for the three months endedMarch 31, 2018 consisted primarily of net earnings from continuing operations of $316 million, increased by $166 million for non-cash charges for depreciation, amortization and pension costs, partially offset by $299 million related to changes in operating assets and liabilities, net of restructuring and pension contributions. Cash flow from operating activities from continuing operations for the three months endedMarch 31, 2017 consisted primarily of net earnings from continuing operations of $229 million, increased by $135 million for non-cash charges for depreciation, amortization and pension costs, partially offset by $116 million related to changes in operating assets and liabilities, net of restructuring and pension contributions.

Investing activities—Net cash used in investing activities from continuing operations totaled $245 million for the three months endedMarch 31, 2018, as compared to $219 million for the three months endedMarch 31, 2017. The increase in usage is primarily attributable to $79 million of increased capital expenditures during the three months endedMarch 31, 2018 as compared to the three months endedMarch 31, 2017. Partially offsetting this increase is the absence of $55 million paid for acquisitions and investments during the three months endedMarch 31, 2017.

Financing activities—Net cash used in financing activities totaled $205 million and $332 million for the three months endedMarch 31, 2018 and 2017, respectively. Cash flows used in financing activities for the three months endedMarch 31, 2018 primarily included $149 million paid to repurchase ordinary shares and $59 million of dividend payments. Cash flows used in financing activities for the three months endedMarch 31, 2017 primarily included $194 million paid to repurchase ordinary shares, $78 million of dividend payments and $20 million of contingent consideration payments.

Off-Balance Sheet Arrangements

We do not engage in any off-balance sheet financial arrangements that have or are reasonably likely to have a material current or future effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.

Contingencies and Environmental Matters

The information concerning contingencies, including environmental contingencies and the amount currently held in reserve for environmental matters, contained in Note 10. Commitments and Contingencies to the unaudited consolidated financial statements included in Part I, Item 1 of this report is incorporated herein by reference.

Recently Issued Accounting Pronouncements

The information concerning recently issued accounting pronouncements contained in Note 2. Significant Accounting Policies to the unaudited consolidated financial statements included in Part I, Item 1 of this report is incorporated herein by reference.

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Critical Accounting Estimates

There have been no significant changes in our critical accounting estimates during the three months endedMarch 31, 2018.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes to the information concerning our exposures to market risk as stated in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. As described in the Form 10-K, we have currency exposures related to buying, selling and financing in currencies other than the local functional currencies in which we operate ("transactional exposure"). We also have currency exposures related to the translation of the financial statements of our non-U.S. subsidiaries that use the local currency as their functional currency into U.S. dollars, the Company's reporting currency ("translational exposure"). As described in Note 14. Derivatives and Hedging Activities to the unaudited consolidated financial statements included in Part I, Item 1 of this report, to manage this risk the Company designates certain qualifying instruments as net investment hedges of certain non-U.S. subsidiaries. The effective portion of the gains or losses on instruments designated as net investment hedges are recognized within the cumulative translation adjustment component of OCI to offset changes in the value of the net investment in these foreign currency-denominated operations.

ITEM 4. CONTROLS AND PROCEDURES

A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected.

Disclosure Controls and Procedures

Management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) under the U.S. Securities Exchange Act of 1934. The Company maintains disclosure controls and procedures that are designed to provide reasonable assurance of achieving their objectives.

As of March 31, 2018, the Company’s management, with the participation of the Chief Executive Officer and the Chief Financial Officer, has evaluated, for disclosure purposes, the effectiveness of the Company’s disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as of the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and the Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective to provide reasonable assurance that the desired control objectives were achieved as of March 31, 2018.

Changes in Internal Control over Financial Reporting

There were no material changes in the Company’s internal controls over financial reporting during the three months endedMarch 31, 2018 that have materially affected, or are reasonably likely to materially affect, the Company’s internal controls over financial reporting.

69

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

We are from time to time subject to various actions, claims, suits, government investigations, and other proceedings incidental to our business, including those arising out of alleged defects, breach of contracts, competition and antitrust matters, product warranties, intellectual property matters, personal injury claims and employment-related matters. For a description of risks related to various legal proceedings and claims, see Item 1A, “Risk Factors,” in our Annual Report on Form 10-K for the year ended December 31, 2017. For a description of our outstanding material legal proceedings, see Note 10. Commitments and Contingencies to the unaudited consolidated financial statements included in this report.

ITEM 1A. RISK FACTORS

There have been no material changes in risk factors for the Company in the period covered by this report. For information regarding factors that could affect the Company's results of operations, financial condition and liquidity, see the risk factors discussed in Part I, “Item 1A. Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

A summary of our ordinary shares repurchased during the three months endedMarch 31, 2018, is shown below:

Period	Total Number of Shares Purchased (1)	Average Price Paid per Share (2)		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet be Purchased Under the Program (in millions) (3)
January 1, 2018 to January 31, 2018	—	$	—	—	$	989
February 1, 2018 to February 28, 2018	780,589	92.09		780,589	917
March 1, 2018 to March 31, 2018	895,555	86.63		895,555	840
Total	1,676,144	89.17		1,676,144

(1) The total number of shares purchased under the plans authorized by the Board of Directors are described below. The number of shares purchased excludes the 342,528 shares granted for vested RSUs during the three months ended March 31, 2018 that were withheld to cover minimum withholding taxes.

(2) Excluding commissions.

(3) In April 2016, the Board of Directors authorized a share repurchase program of up to $1.5 billion. This program follows the completion of the previously announced share repurchase program of $1.5 billion, which was approved by the Board of Directors in January 2015. The timing of repurchases is dependent on price, market conditions and applicable regulatory requirements.

70

ITEM 6. EXHIBITS

Exhibit Number	Description
10.1	Offer letter for David Paja, dated December 23, 2016*+
10.2	Offer letter for David M. Sherbin, dated October 2, 2009*+
10.3	Allocation letter for Kevin P. Clark, dated January 24, 2018*+
10.4	Allocation letter for Joseph R. Massaro, dated January 24, 2018*+
31.1	Rule 13a-14(a)/15d-14(a) Certification of Principal Executive Officer*
31.2	Rule 13a-14(a)/15d-14(a) Certification of Principal Financial Officer*
32.1	Certification by Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
32.2	Certification by Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002*
101.INS	XBRL Instance Document#
101.SCH	XBRL Taxonomy Extension Schema Document#
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document#
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document#
101.LAB	XBRL Taxonomy Extension Label Linkbase Document#
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document#

* Filed herewith.

+ Management contract or compensatory plan or arrangement.

# Filed electronically with the Report.

71

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

APTIV PLC

/s/ Joseph R. Massaro

By: Joseph R. Massaro

Chief Financial Officer and

Senior Vice President

Dated: May 2, 2018

72

EX-10.1

Exhibit 10.1

Between the company

Delphi Deutschland GmbH

Delphiplatz 1, 42119 Wuppertal

- called "Delphi" in the following paragraphs -

and

Mr David Paja

- called "employee" in the following paragraphs -

the following

Authorized English Contract Translation

is agreed upon:

1.     Duties and responsibilities

1.1 Starting on a date to be mutually agreed upon in 2017, Mr. David Paja shall be employed in the capacity as President, Electronics & Safety. The place of work is Wuppertal, Germany.

1.2 The company is entitled to modify the nature and scope of the employee's duties and/or to assign other, reasonable and acceptable duties or a different place of work to him within the Company.

2.        Work hours

The current general company agreements and requirements determine the work hours and time schedule.

3.        Salary

3.1 In consideration of the services of the employee, starting with the hire date, he shall be paid an annual gross salary of

USD $525,000 (to be converted to Euro based on the foreign exchange rate on the date of hire)

It shall be paid out monthly in Euro in twelve equal installments, less applicable statutory deductions.

In addition to the gross salary the employee will be eligible for Annual Incentive Plan (AlP) target of 85% of base salary. The target has the potential to payout in a range of 0 - 200% depending on the company's performance. The actual amount the employee will receive is adjusted depending on the company's and the employee's individual performance, as appropriate. In 2017, the employee will be eligible for a guaranteed AlP payout at the greater of actual or target payout. Please note that the "AlP" can be stopped by Delphi at any time or the rules of such plan can be changed at any time by Delphi. The resulting benefits to the employee do not establish a legal claim for subsequent years.

The 2017 annual long term incentive (LTI) target will be USD $1,400,000. This is an equity award granted annually in February and denominated 75% in performance-based restricted stock units (PRSUs) and 25% in time-based restricted stock units (RSUs). The PRSU award is paid out based on Delphi's performance against metrics, which currently include Average Return on Net Assets (weighted at 50%), Cumulative Net Income (weighted at 25%), and Relative Total Shareholder Return (weighted at 25%). The PRSUs vest at the end of the third calendar year and will be distributed as soon as possible following confirmation of the company's performance against the metrics. The time-based RSUs vest ratably over three years beginning on the one-year anniversary of the grant. The terms of each LTl grant are governed by the terms of the agreement that are provided with each grant.

In the event the employee is not on the payroll on the date of the 2017 LTI grants, the full­ year 2017 grant value will be awarded on the next grant date, June 2017. Participation in the Long Term Incentive Plan is conditioned upon the signing of a non-compete/non­ interference agreement. Please note that the Long Term Incentive Plan can be stopped by Delphi at any time or the rules of such plan can be changed at any time by Delphi. The resulting benefits to the employee do not establish a legal claim for subsequent years.

3.2 Sign-On Considerations: In recognition that the employee will forfeit certain annual and long-term incentive payouts, and are subject to repayment of a sign-on bonus from the employee's current employer, Delphi will provide the following:

• Specific to the annual incentive payout from the employee's most recent employment, provide a one-time cash payment equivalent to USD $390,000 to be paid within 30 days of hire.

• Specific to equity grants that vest in February 2017 from the employee's most recent employment, provide a one-time cash payment in Euro equivalent to the value of the shares that would have otherwise vested in February 2017, applying a share price methodology equal to the average closing price for 10 days prior to the employee's last day of employment.

• Specific to all other unvested equity grants from the employee's most recent employment, provide equivalent value in Delphi time-based RSUs to be granted in February 2017 and vesting in February 2018, 2019 and 2020.

• All cash payments outlined as "Sign-On Considerations" are subject to recoupment in full in the event the employee voluntarily resigns prior to completion of 24 months of employment.

3.3 Work overtime exceeding the normal working hours shall be deemed to be compensated by the monthly salary.

3.4 Claims from this employment relationship, especially demands for compensation, can only be ceded or pawned with written approval from Delphi.

3.5 The direct deposit of the salary occurs on the last working day of each month. The salary amount is confidential and should not be discussed with third parties.

4.        Expatriate provisions

Delphi will provide the employee with benefits according to the expatriate program; the specific provisions will be contained in a supplemental document.

5.        Company car

The company shall provide the employee with a company car (Personally Assigned Car), which can also be used for private purposes pursuant to the Delphi rules currently applicable to company cars.

6.        Parallel activities

The acceptance of parallel activities, including but not limited to active participation in other companies, membership or participation in supervisory bodies of other corporations as well as assumption of honorary offices in economic associations requires the Company's explicit prior consent. The same applies regarding the direct or indirect investment in a different company, if the employee can directly influence the business relationship to this company due to his position or activity at Delphi.

7.        Travel expenses

For business travel the expenses shall be reimbursed within the scope of the relevant applicable travel regulation.

8.        Protection of interests / confidentiality

8.1 The employee shall conscientiously execute all tasks assigned to him, follow the internal directions and protect the interests of Delphi. He shall especially pay attention to the conduct guidelines of the company and ensure that they are observed.

8.2 Presents or advantages that have a reference/connection to business activities are not allowed to be received I kept, as far as they are not of minor nature.

8.3 The employee is bound by a confidentiality obligation regarding all company matters - apart from in his business capacity during fulfillment of his responsibilities for Delphi - that he may become aware of in connection with his services, notably business and company secrets like production programs and methods, inventions and patent applications, which have not been published yet.

8.4 The employee does not have the right to record or copy business matters or documents for private use. The employee agrees that he will return all company possessions and documents at the time of his exit, at the latest.

8.5 Publications and speeches require prior consent by Delphi to the extent that they affect company interests or touch on business areas.

9.        Employee inventions / Improvement suggestions

9.1 For the duration of the employee contract, Delphi has to be informed of any inventions by the employee. The employee agrees that his inventions are utilized by Delphi.

9.2 Furthermore, the legal and business guidelines apply to the treatment of inventions.

9.3 The most current company policies apply to improvement suggestions.

10.        Vacation

10.1 The employee shall be entitled to paid annual leave of 30 working days.

10.2 The employee's vacation requests shall be taken into consideration in accordance with operational requirements. Additionally, the current legal and company policies apply.

11.        Prevented work attendance

11.1 The employee is obligated to immediately inform - if necessary by phone - when he is unable to attend work and what the reason and expected duration of his absence is.

11.2 If the employee is absent from work due to illness for more than 3 calendar days, he has to provide a medical certificate of (temporary) disability about the disability to work and the expected duration. If the duration of the disability/illness is longer than the certificate states a new certificate has to be provided immediately.

11.3 For illness through no fault of one's own the monthly gross salary will continue to be paid for the duration of 6 weeks. For illnesses that exceed that time, Delphi pays the employee the amount that is the difference between the illness pay of the public health insurance and the last net salary. This offsetting payment will be paid for a maximum of 3 months. The employee becomes eligible for this offsetting payment after 1 year of service time. Delphi has the right to seek a medical examination at his own expense.

12.        Compensation payment in case of death

In case of the employee's death during the active service period, the spouse - or if she is no longer alive, the dependents, insofar as they were entitled to support by the deceased - receives the salary for the month of death as well as two, after 10 years of service for three more months.

13.        Probationary period

The probationary period is 6 months. During this period the notice period is 1 month to the end of the month for both parties.

14.        Termination of the employment

14.1 The notice period on both sides is 6 months to the end of the month. The contract ends at the end of the month in which the employee reaches regular retirement age without requiring a separate notice of termination.

14.2 The termination has to be in written form.

14.3 Delphi has the right to release the employee from work during the notice period with continued payment of remuneration, and taking into account any remaining vacation.

15.        Insurance

The Company maintains a group insurance plan for the employee as follows:

Liability insurance up to 2.300.813 € for personal and material damages

Accident

	306.775€	in the event of death
Up to	613.550€	in the event of disability
Up to	51€	daily allowance

The amount paid by the insurance will double for international flights.

Passenger insurance (with Company Car)

	12.782€	in the event of death
Up to	25.565€	in the event of disability
Up to	13€	daily allowance

The insurance will terminate on the day the employee leaves the Company.

16.        Health care

16.1 The Company will pay once a year for physical exam. Time for the exam will be considered as working time.

16.2 The employee and his eligible dependents will be placed on an International Health Care Plan. However, you have to use utilize you state provided benefits before this plan.

17.        Cut-off period

17.1 All claims arising from the employment relationship must be made in writing within 3 months after the due date, but not later than 3 months after termination of employment. Claims that are not claimed within this period must be forfeited.

17.2 If the claim failed, the forfeiture does not occur if the claim is sued within a period of 3 months after the rejection by the opposite side.

18.        Additional agreements

18.1 Changes and additions of the employment contract must be in writing.

18.2 Unless otherwise agreed in the employment contract, the company regulations are applied in their current valid version.

18.3 By signing this employment contract all previous regulations are voided, unless expressly agreed otherwise above.

19.        Privacy statement

Delphi is a global company with headquarters in the United States of America. For purposes of global human resources administration, planning, development and career planning personnel data is exchanged as necessary between the Delphi legal entities, including outside of Germany and Europe.

For human resources administration personnel data required for the purpose of creation of income certificates and travel expenses is passed to external bodies / service providers.

The electronic photo stored for the creation of the employee's entry badge is also used for the creation of organization charts that are passed on within the Delphi Group and presented at customer presentations. The photo is also passed on as part of personnel and career planning programs within the company / group.

In due course, the personal data of employees with specific leadership or professional qualifications are stored in a career database (high potential) for the purpose of personnel planning.

Wuppertal, 21.12.2016

Delphi Deutschland GmbH

The contents of this Authorized English Contract Translation constitute the agreed upon terms, conditions and compensation offered by Delphi under the authority of Susan M. Suver, Senior Vice President and Chief Human Resources Officer and accepted by Mr. David Paja, as signed below.

Susan M. Suver	Date
David Paja	Date

EX-10.2

Exhibit 10.2

New Delphi 1, LLC

October 2, 2009

David M Sherbin

VP/GENL CNSL/CHF COMPL OFFICER

Delphi Headquarters - Troy, Ml

Dear David:

We are pleased to offer you employment with New Delphi 1, LLC ("Delphi U.S."), a wholly owned subsidiary of Delphi Holdings LLP, a limited liability partnership incorporated under the laws of England and Wales ("New Delphi"). If you agree by countersigning this letter, you will become an executive of Delphi U.S. upon the effective date of the Master Disposition Agreement ("MDA"), currently anticipated for the first week of October 2009.

We hope you will accept our offer. We developed our combination of base pay, cash incentive pay, long-term incentive, and benefits to offer compensation that we believe provide substantially similar or better overall economic benefits to what you have had during the bankruptcy. As with executive compensation throughout our industry, your actual compensation will depend on New Delphi's success as a company and your individual contribution to that success.

Because Delphi U.S. is a newly formed company, you will be a new employee of a newly formed company. Any obligations from your service to Delphi Corporation ("Old Delphi") will not be assumed by New Delphi or Delphi U.S., each of which is a separate company. However, your length of service with Old Delphi applies for purposes of eligibility for certain policies and benefits. The following summarizes the initial terms of your employment:

• Base Salary: Your base salary will initially be $500,000.00 annually and will be increased, effective November 1, 2009 by half of the car allowance you are currently eligible to receive from Old Delphi (as described below). As of November 1, 2009, your new base salary will be $511,100.00 annually.

• Target Annual Incentive: For the 2010 calendar year, your target annual incentive compensation will be $470,000.00. This target annual incentive compensation is an increase of $20,000 above your salaried incentive target at Old Delphi. This increase will offset certain benefits that will not be offered. It also has been increased to equal the base pay reductions you accepted during Old Delphi's bankruptcy. What you actually receive will, of course, be subject to the performance of New Delphi relative to the performance targets established by New Delphi's Board of Managers (the "Board"), as well as your individual performance. The Board has the ability to modify the program in consultation with Delphi U.S. management.

• LTIP: New Delphi will implement a Long-Term Incentive Program. The grants under that program will be the responsibility of the Board. As with other long-term incentive programs, awards under the program and the value of those awards will depend on the success of

New Delphi as a company and upon achieving a meaningful increase in the value of New Delphi, as well as other potential factors such as the occurrence of an IPO or other liquidity event for shareholders. Investors of New Delphi who have the right to designate a majority of the members of the Board will recommend that all Delphi U.S. executives be eligible to participate and that an award pool with a total potential value of $135,000,000 be available for grant over the first three years of the program, contingent on New Delphi's success and the targets and conditions contained in the program. This will be a priority of New Delphi.

• Severance: Under the New Delphi 1, LLC Separation Allowance Plan (SAP), should you be separated from Delphi U.S., and subject to the election described below, you will be eligible to receive the same severance pay, if any, as you would have received from Old Delphi in accordance with the terms of Old Delphi's Separation Allowance Plan, as in effect on May 1, 2009. We note that, like the Old Delphi plan, severance pay will not be payable in the event you are terminated due to a "Discharge" (as defined in the SAP) or if you quit. The Board will set severance policy and may amend the SAP after two years.

• Frozen SERP Benefit: Under the New Delphi 1, LLC Supplemental Executive Retirement Program (SERP) which is, and will continue to be, frozen, you will be eligible to receive a benefit amount based on the benefit that would have been payable pursuant to the terms of Old Delphi's Supplemental Executive Retirement Plan but modified in two ways: (a) the benefit under the Old Delphi plan will be calculated based on earnings and service up to December 31, 2006, and (b) an additional 10% reduction of such frozen benefit amount will apply. In order to receive the SERP benefit, you must remain employed by Delphi U.S. for at least two (2) years following your employment commencement date with Delphi U.S. This requirement will not apply if (1) your employment is terminated by Delphi U.S., not you, and for reasons other than "Cause," as defined in the SERP, (2) you die or (3) you reach age 60.

In the event you are separated from employment from Delphi U.S., you have the option to receive either the SAP Benefit or the SERP Benefit, but not both. You must make your one-time election simultaneously with your execution and delivery of this offer letter by selecting either "SAP Benefit" or "SERP Benefit" in the space provided below. This election will only apply if you are separated by Delphi U.S. For example, if you elect the severance but are never separated, you will still be eligible for SERP benefits at the time of your retirement or death. You will receive separate information involving estimated amounts of your SAP and frozen SERP to assist you in making an election.

Notwithstanding anything else in this offer letter to the contrary, in the event that you have already signed a release of claims against Old Delphi, your prior election to receive severance under such release of claims shall be binding and you shall not be entitled to a new election hereunder. Delphi U.S. hereby agrees to pay any amounts payable to you pursuant to such release of claims in accordance with its terms, subject to your continued compliance with the terms of such release of claims.

• Temporary Lay Offs (TLO): In 2010, consistent with current policy, you will be required to take at least two (2) weeks of TLO per quarter until New Delphi is globally cash flow positive. These weeks will be paid at 50% of your base salary (the same policy as was in effect at Old Delphi).

• Car Allowance: Delphi U.S. is not offering a car stipend. Instead, an amount equal to 50% of the monthly car stipend that you were eligible to receive from Old Delphi will be rolled into your base salary, effective November 1, 2009. The amount of the monthly car stipend that is rolled into your base salary will not count toward your SAP benefit.

• Qualified Retirement Plan - 401(k): Delphi U.S. will assume the Old Delphi 401(k) plan, and you will retain your 401(k) account. Delphi U.S. currently intends to make contributions to your 401(k) account equal to 4% of your base salary, assuming eligibility. Once New Delphi has been globally cash flow positive for each of three consecutive months, Delphi U.S. intends to make profit sharing matching contributions equal to 50% of your contributions, up to a maximum of 3.5%. Thus if you contribute 7%, Delphi U.S. would match this with a 3.5% contribution. Of course, Delphi U.S.'s decision to make any contribution or match is subject to the availability of Delphi U.S.'s earnings and cash to contribute to this plan, as determined by the Board.

• Nonqualified 401(k): Delphi U.S. will adopt the New Delphi 1, LLC Salaried Retirement Equalization Savings Program (the "SRESP"), a non-qualified defined contribution plan that operates in a manner similar to a 401(k) plan with respect to compensation above the IRS annual compensation limit. Delphi U.S. currently intends to make contributions to your 401(k) account equal to 4% of your base salary, assuming eligibility. As with the qualified 401(k) plan, once New Delphi is globally cash flow positive for each of three consecutive months, Delphi U.S. intends also to match 50% of your contributions on the same basis up to a maximum of 3.5%. Similarly, the decision to make any matching contributions is subject to the availability of Delphi U.S.'s earnings and cash to contribute to this plan, as determined by the Board.

• Health Care: Your group health insurance policy at Delphi U.S. will initially offer the same benefits and provisions as were provided by Old Delphi. Employee contribution costs, including co-pays and deductibles, are expected to increase in 2010. The specific impact upon eligible employees will be determined based in part upon you and your dependent's eligibility for certain healthy behavior factors that will impact the amount of your monthly premium. Also, beginning in January, 2010, if your spouse has coverage from another source, your spouse will be covered by that source rather than by Delphi U.S. These changes should become effective January 1, 2010, with the details to be provided in the benefit options enrollment package which you will receive later this year.

• Life Insurance: Delphi U.S. intends to provide you with a term-life insurance policy with a face amount equal to 1.5 times your base salary. The premiums for this policy will be paid by Delphi U.S. while you remain employed by Delphi U.S.

• Holidays: You will initially be entitled to 9 standard holidays and 2 floating holidays. In 2010, Delphi U.S.'s holidays will be:

New Years Day	Labor Day	Christmas Eve Day
Memorial Day	Thanksgiving	Christmas Day
Independence Day	Day after Thanksgiving	New Years Eve Day

• Vacation Schedule: In accordance with Delphi U.S.'s vacation policy, vacation days will be based upon length of service, in the table shown below, but will cap at 20 days for employees with more than 15 years of service.

Years of Service	Days Vacation
1 but less than 3	10 days
3 but less than 5	12.5 days
5 but less than 10	15 days
10 but less than 15	17.5 days
15 or more	20 days

• Designated Time Off Days: In addition to vacation, you will accrue additional paid days off based upon length of service up to a maximum of 5 days per year, as shown below. These days are generally expected to be used for personal appointments, individual sick days, funerals, etc.

Years of Service	DTO Days
1 but less than 3	2 days
3 but less than 10	3 days
10 but less than 20	4 days
20 or more	5 days

• Short- and Long-Term Disability: You will be eligible to participate in Delphi U.S.'s short- and long-term disability plans on the same basis as similarly situated employees. The short-term program generally provide for a total of 26 weeks, with the first week at 100% of base pay and the remaining 25 weeks at 60% of base pay. The long-term program will provide for 40% of your pay for any illness that extends beyond the short­ term sickness and accident leave. You will be able to purchase coverage for up to an additional 20% of pay.

By signing this letter, you acknowledge and agree that the terms of your employment and all policies, practices and procedures of Delphi U.S. are subject to change at the discretion of Delphi U.S. from time to time, except as specifically provided herein with respect to Delphi U.S.'s SERP and severance obligations.

THIS OFFER LETTER IS CONDITIONED UPON YOU CONTRACTUALLY WAIVING AND RELEASING ALL PRE-EXISTING CLAIMS. BY SIGNING THIS LETTER, YOU UNDERSTAND AND AGREE THAT YOU ARE WAIVING AND RELEASING ALL PRE­ EXISTING CLAIMS THAT YOU HAD OR MAY HAVE AGAINST OLD DELPHI, NEW DELPHI OR ANY OF THEIR RESPECTIVE AFFILIATES AND SUBSIDIARIES, INCLUDING, WITHOUT LIMITATION, THOSE ARISING FROM ANY PRE-EXISTING EMPLOYMENT, CHANGE IN CONTROL OR OTHER EMPLOYMENT-RELATED AGREEMENTS AND ANY BENEFITS PAYABLE UNDER PRE-EXISTING COMPENSATION AND BENEFITS ARRANGEMENTS, EXCEPT AS SPECIFICALLY PROVIDED HEREIN.

To help you better understand the compensation, policy and benefit program, you may find Delphi U.S.'s policies on my.delphi.com.

You may wish to consult with your HR department or with your own attorney to more fully understand the claims and rights that you will be waiving as a consequence of accepting this offer of employment.

As you evaluate this offer there are several things to keep in mind. Delphi U.S. is a new company and as such, you will be required to complete new "on boarding" forms which are effective upon your signature of acceptance at the bottom of this letter. Additionally, please read the attached acknowledgment, which you will also need to sign and return with your acceptance. This document acknowledges Delphi U.S.'s employment policy, which is "at will" employment on a day-to-day basis. As described above, the policies which applied to Old Delphi cease to exist as of the effective date and Delphi U.S.'s policies will govern your employment going forward.

To accept the offer, you must sign both this offer letter and the attached employment acknowledgment notice and return the forms to your personnel representative or office by to your employment commencement date. Your local HR department should also be able to assist.

We are all aware of the great sacrifices Old Delphi executives have made to preserve the company, to protect its reputation and to serve Old Delphi's customers. We recognize the toll that being simultaneously in reorganization and recession takes. Nonetheless, we believe that New Delphi can and will succeed, will restore its financial health and its honored position among its customers. New Delphi starts with great products, a good reputation, great financial resources and the opportunity that technology and a competitive industry provides. But it cannot succeed without dedicated and skilled management. There is no question that New Delphi faces challenges. We hope you will accept those challenges, accept our offer, join the New Delphi team and be a part of New Delphi's vibrant future.

NEW DELPHI 1, LLC

______________________________

By: David J. Miller

By my signature below, I indicate acceptance and understanding of the terms and conditions contained herein and confirm that I have read and understand the changes in my compensation, benefits and rights as referenced herein and as made available to me for review on the Delphi U.S. website. I understand that New Delphi and Delphi U.S. may amend, modify or terminate their respective benefit plans and programs at any time, except as specifically provided herein with respect to Delphi U.S.'s SERP and severance obligations.

Additionally, by my signature below, I hereby waive and release all pre-existing claims that I had or may have against Delphi Corporation, Delphi Holdings LLP, New Delphi 1, LLC and each of their respective affiliates, including, without limitation, those arising from any pre-existing employment, change in control or other employment-related agreements, except

as otherwise specifically provided herein. Furthermore, I indicate that I am voluntarily waiving and releasing all pre-existing claims against Delphi Corporation, Delphi Holdings LLP, New Delphi 1, LLC and each of their respective affiliates, except as otherwise specifically provided herein, and I confirm that I have read and understand the consequences of such waiver and release.

In accordance with the terms of this offer letter, I hereby irrevocably elect to receive the following payment in the event of my eligible termination of employment with Delphi U.S. (select one):

SAP BENEFIT_____

SERP BENEFIT_____

___________________________________        Date: October 3, 2009

David M. Sherbin (DIN 1027376)

EX-10.3

Exhibit 10.3

January 24, 2018

Kevin P. Clark

[l]

Dear Kevin:

Effective January 1, 2018, Aptiv, PLC (hereafter “Aptiv” or the “Company”) intends for your duties and responsibilities to be split between Aptiv Global Operations Limited, the Company’s principal operational company (hereafter “OpCo”), and Aptiv Technologies Limited, the Company’s principal technology management company (hereafter “TechCo”). This arrangement will be reviewed at regular intervals, which are expected to occur at least once every 12 months to ensure the arrangement continues to support business needs.

This letter sets forth the anticipated allocation between these entities and outlines the terms and conditions that govern your assignment. Except as otherwise provided in this letter, your duties, responsibilities, compensation, and benefits remain unchanged.

1. Title: President and Chief Executive Officer

2. Legal Employer: Delphi International Services Company, LLC

3. Principal Place of Employment: Boston, Massachusetts

4. Allocation of Work Time: Aptiv anticipates that approximately 60 working days per year will be spent working on Company business for OpCo, of which approximately 50 days will be spent working in Dublin, Ireland, with the rest spent at other global locations. Any remaining days will be spent working on TechCo business.

5. Compensation: Your total annual compensation (including base salary, annual incentive, and long-term incentive) will remain unchanged from the compensation approved by the Board of Directors of Aptiv. You will remain on the U.S. payroll, and will continue to be paid in U.S. dollars, subject to applicable deductions and withholdings.

6. Allocation of Compensation:

The following compensation has been allocated to your work for OpCo:

• Allocation of Salary: $400,000 of your annual base salary, subject to any Irish statutory withholding obligations required.

• Allocation of Annual Incentive Plan (AIP) Awards: $600,000 of your AIP individual target will be allocated to OpCo, subject any Irish statutory withholding obligations required.

Any and all other compensation has been allocated to your work for TechCo.

• Subject to Change: The allocation of compensation between OpCo and TechCo is subject to change based on future changes in responsibilities and/or compensation.

7. Benefits: You will remain eligible for all employee benefit plans offered to the Company’s U.S. employees (including but not necessarily limited to the Salaried Health Care Program, the Salaried Life & Disability Benefits Program, the Salaried Retirement Savings Program, and the Salaried Retirement Equalization Savings Program). Unless otherwise legally required, you will not be eligible to receive any Irish benefits.

8. Board Membership: To the extent you sit on the board of an Irish group company, you are not eligible to receive any compensation in respect of your role as a board member.

9. Travel & Expenses: As your base of employment will be Boston, Massachusetts, all expenses relating to travel (airfare, lodging, meals, etc.) to other locations will be processed in accordance with the Company’s travel and expense policy.

10. Income Tax:

• U.S. Income Tax: U.S. federal income taxes will be withheld from your paycheck

• Ireland Income Tax: Your allocated income will be subject to tax in Ireland based on the number of days you work in Ireland. Irish income tax will be collected through an Irish payroll. Income taxes due to Ireland will result in a reduction of amounts withheld for U.S. federal income taxes though US payroll. You are responsible for any Irish tax liabilities that arise from working in Ireland, however, if working in Ireland results in additional incremental tax, the Company will provide tax equalization (including gross-up) pursuant to the Company’s current tax equalization policy.

• Tax Preparation: You may choose to retain a tax preparer (at your expense) to prepare your U.S. and/or Ireland tax returns; however, all tax returns must be reviewed by the Company’s selected vendor prior to filing. If you prefer, you have the option of receiving tax preparation services for the U.S. and/or Ireland tax returns from a vendor selected and paid for by Aptiv (the cost of such tax preparation services would be imputed income to you, and would not be grossed up). Should tax equalization be required, the tax vendor designated by Aptiv will prepare the calculation at Aptiv’s expense.

• Tax Audits: Should you be subject to an income tax audit during which an issue related to this allocation is raised by either U.S. or Ireland authorities, the Company agrees to provide full support for the audit, even if you are no longer employed by the Company at the time of the audit. Likewise, you agree to provide any relevant information to the Company if needed to aid conclusion of any relevant portion of a tax audit.

11. Governing Law:  This letter will be construed in accordance with and governed by the laws of the State of Michigan, without regard to the choice of law principles thereof.  Any suit, action or other legal proceeding arising out of or relating to this letter shall be brought exclusively in the federal or state courts located in the State of Michigan.

Please confirm your understanding and acceptance of the above terms and conditions by signing and returning the enclosed copy of this letter.

Sincerely,

/s/ Rajiv L. Gupta

Rajiv L. Gupta

Chairman of the Board

Aptiv PLC

I hereby confirm my agreement to the above terms and conditions of my assignment.

Signed: /s/ Kevin P. Clark          Date: January 24, 2018

EX-10.4

Exhibit 10.4

January 24, 2018

Joseph R. Massaro

[l]

Dear Joe:

Effective January 1, 2018, Aptiv, PLC (hereafter “Aptiv” or the “Company”) intends for your duties and responsibilities to be split between Aptiv Global Operations Limited, the Company’s principal operational company (hereafter “OpCo”), and Aptiv Technologies Limited, the Company’s principal technology management company (hereafter “TechCo”). This arrangement will be reviewed at regular intervals, which are expected to occur at least once every 12 months to ensure the arrangement continues to support business needs.

This letter sets forth the anticipated allocation between these entities and outlines the terms and conditions that govern your assignment. Except as otherwise provided in this letter, your duties, responsibilities, compensation, and benefits remain unchanged.

1. Title: Senior Vice President and Chief Financial Officer

2. Legal Employer: Delphi International Services Company, LLC

3. Principal Place of Employment: Boston, Massachusetts

4. Allocation of Work Time: Aptiv anticipates that approximately 120 working days per year will be spent working on Company business for OpCo, of which approximately 100 days will be spent working in Dublin, Ireland, with the rest spent at other global locations. Any remaining days will be spent working on TechCo business.

5. Compensation: Your total annual compensation (including base salary, annual incentive, and long-term incentive) will remain unchanged from the compensation approved by the Compensation and Human Resources Committee of the Board of Directors of Aptiv. You will remain on the U.S. payroll, and will continue to be paid in U.S. dollars, subject to applicable deductions and withholdings.

6. Allocation of Compensation:

The following compensation has been allocated to your work for OpCo:

• Allocation of Salary: $300,000 of your annual base salary, subject to any Irish statutory withholding obligations required.

• Allocation of Annual Incentive Plan (AIP) Awards: $270,000 of your AIP individual target will be allocated to OpCo, subject any Irish statutory withholding obligations required.

Any and all other compensation has been allocated to your work for TechCo.

• Subject to Change: The allocation of compensation between OpCo and TechCo is subject to change based on future changes in responsibilities and/or compensation.

7. Benefits: You will remain eligible for all employee benefit plans offered to the Company’s U.S. employees (including but not necessarily limited to the Salaried Health Care Program, the Salaried Life & Disability Benefits Program, the Salaried Retirement Savings Program, and the Salaried Retirement Equalization Savings Program). Unless otherwise legally required, you will not be eligible to receive any Irish benefits.

8. Travel & Expenses: As your base of employment will be Boston, Massachusetts, all expenses relating to travel (airfare, lodging, meals, etc.) to other locations will be processed in accordance with the Company’s travel and expense policy.

9. Income Tax:

• U.S. Income Tax: U.S. federal income taxes will be withheld from your paycheck

• Ireland Income Tax: Your allocated income will be subject to tax in Ireland based on the number of days you work in Ireland. Irish income tax will be collected through an Irish payroll. Income taxes due to Ireland will result in a reduction of amounts withheld for U.S. federal income taxes though US payroll. You are responsible for any Irish tax liabilities that arise from working in Ireland, however, if working in Ireland results in additional incremental tax, the Company will provide tax equalization (including gross-up) pursuant to the Company’s current tax equalization policy.

• Tax Preparation: You may choose to retain a tax preparer (at your expense) to prepare your U.S. and/or Ireland tax returns; however, all tax returns must be reviewed by the Company’s selected vendor prior to filing. If you prefer, you have the option of receiving tax preparation services for the U.S. and/or Ireland tax returns from a vendor selected and paid for by Aptiv (the cost of such tax preparation services would be imputed income to you, and would not be grossed up). Should tax equalization be required, the tax vendor designated by Aptiv will prepare the calculation at Aptiv’s expense.

• Tax Audits: Should you be subject to an income tax audit during which an issue related to this allocation is raised by either U.S. or Ireland authorities, the Company agrees to provide full support for the audit, even if you are no longer employed by the Company at the time of the audit. Likewise, you agree to provide any relevant information to the Company if needed to aid conclusion of any relevant portion of a tax audit.

10. Governing Law:  This letter will be construed in accordance with and governed by the laws of the State of Michigan, without regard to the choice of law principles thereof.  Any suit, action or other legal proceeding arising out of or relating to this letter shall be brought exclusively in the federal or state courts located in the State of Michigan.

Please confirm your understanding and acceptance of the above terms and conditions by signing and returning the enclosed copy of this letter.

Sincerely,

/s/ Susan M. Suver

Susan M. Suver

Senior Vice President and Chief Human Resources Officer

I hereby confirm my agreement to the above terms and conditions of my assignment.

Signed: /s/ Joseph R. Massaro         Date: January 24, 2018

EX-31.1

Exhibit 31.1

CERTIFICATIONS

Certification of Principal Executive Officer

I, Kevin P. Clark, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aptiv PLC;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 2, 2018

/s/ Kevin P. Clark

Kevin P. Clark

President & Chief Executive Officer

(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATIONS

Certification of Principal Financial Officer

I, Joseph R. Massaro, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aptiv PLC;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: May 2, 2018

/s/ Joseph R. Massaro

Joseph R. Massaro

Chief Financial Officer and Senior Vice President

(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of this quarterly report on Form 10-Q of Aptiv PLC (the “Company”) for the period ended March 31, 2018, with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kevin P. Clark, Chief Executive Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 to the best of my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 2, 2018

/s/ Kevin P. Clark

Kevin P. Clark

President & Chief Executive Officer

(Principal Executive Officer)

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the filing of this quarterly report on Form 10-Q of Aptiv PLC (the “Company”) for the period ended March 31, 2018, with the Securities and Exchange Commission on the date hereof (the “Report”), I, Joseph R. Massaro, Chief Financial Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 to the best of my knowledge, that:

1. The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 2, 2018

/s/ Joseph R. Massaro

Joseph R. Massaro

Chief Financial Officer and Senior Vice President

(Principal Financial Officer)

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2018	Apr. 27, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2018
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2018
Entity Registrant Name	Aptiv PLC
Entity Central Index Key	0001521332
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		264,769,110

XML

Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales	$ 3,630	$ 3,143
Operating expenses:
Cost of sales	2,947	2,544
Selling, general and administrative	259	225
Amortization	30	29
Restructuring	20	52
Total operating expenses	3,256	2,850
Operating income	374	293
Interest expense	(34)	(33)
Other (expense) income, net	30	(23)
Income from continuing operations before income taxes and equity income	370	237
Income tax expense	(59)	(19)
Income from continuing operations before equity income	311	218
Equity income, net of tax	5	11
Income from continuing operations	316	229
Income from discontinued operations, net of tax	0	123
Net income	316	352
Net income attributable to noncontrolling interest	9	17
Net income attributable to Aptiv	307	335
Amounts attributable to Aptiv:
Income from continuing operations	307	220
Income from discontinued operations	0	115
Net income attributable to Aptiv	$ 307	$ 335
Basic net income per share:
Income from continuing operations, per basic share	$ 1.16	$ 0.82
Income from discontinued operations, per basic share	0.00	0.42
Basic net income per share attributable to Aptiv	$ 1.16	$ 1.24
Weighted average number of basic shares outstanding	265,690	269,200
Diluted net income per share:
Income from continuing operations, per diluted share	$ 1.15	$ 0.82
Income from discontinued operations, per diluted share	0.00	0.42
Diluted net income per share attributable to Aptiv	$ 1.15	$ 1.24
Weighted average number of diluted shares outstanding	266,440	269,540
Cash dividends declared per share	$ 0	$ 0.29

XML

Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 316	$ 352
Other comprehensive income (loss):
Currency translation adjustments	61	86
Net change in unrecognized gain (loss) on derivative instruments, net of tax (Note 14)	(23)	39
Employee benefit plans adjustment, net of tax	1	4
Other comprehensive income (loss)	39	129
Comprehensive income	355	481
Comprehensive income attributable to noncontrolling interests	13	18
Comprehensive income attributable to Aptiv	$ 342	$ 463

XML

Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,345	$ 1,596
Restricted cash	1	1
Accounts receivable, net	2,646	2,440
Inventories (Note 3)	1,202	1,083
Other current assets (Note 4)	732	521
Total current assets	5,926	5,641
Long-term assets:
Property, net	2,890	2,804
Investments in affiliates	101	91
Intangible assets, net (Note 2)	1,204	1,219
Goodwill (Note 2)	1,980	1,944
Other long-term assets (Note 4)	459	470
Total long-term assets	6,634	6,528
Total assets	12,560	12,169
Current liabilities:
Short-term debt (Note 8)	60	17
Accounts payable	2,282	2,227
Accrued liabilities (Note 5)	1,366	1,296
Total current liabilities	3,708	3,540
Long-term liabilities:
Long-term debt (Note 8)	4,163	4,132
Pension benefit obligations	460	454
Other long-term liabilities (Note 5)	531	526
Total long-term liabilities	5,154	5,112
Total liabilities	8,862	8,652
Commitments and contingencies (Note 10)
Shareholders' equity:
Preferred shares, $0.01 par value per share, 50,000,000 shares authorized, none issued and outstanding	0	0
Ordinary shares, $0.01 par value per share, 1,200,000,000 shares authorized, 264,761,036 and 265,839,794 issued and outstanding as of March 31, 2018 and December 31, 2017, respectively	3	3
Additional paid-in capital	1,622	1,649
Retained earnings	2,278	2,118
Accumulated other comprehensive loss (Note 13)	(436)	(471)
Total Aptiv shareholders' equity	3,467	3,299
Noncontrolling interest	231	218
Total shareholders' equity	3,698	3,517
Total liabilities and shareholders' equity	$ 12,560	$ 12,169

XML

Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Preferred shares, par value per share	$ 0.01	$ 0.01
Preferred shares, authorized	50,000,000	50,000,000
Preferred shares, outstanding	0	0
Ordinary shares, par value per share	$ 0.01	$ 0.01
Ordinary shares, authorized	1,200,000,000	1,200,000,000
Ordinary shares, outstanding	264,761,036	265,839,794

XML

Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 316	$ 352
Income from discontinued operations, net of tax	0	123
Income from continuing operations	316	229
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	125	97
Amortization	30	29
Amortization of deferred debt issuance costs	2	2
Restructuring expense, net of cash paid	(16)	18
Deferred income taxes	(7)	5
Pension and other postretirement benefit expenses	11	9
Income from equity method investments, net of dividends received	(5)	(10)
Share-based compensation	13	13
Changes in operating assets and liabilities:
Accounts receivable, net	(206)	(96)
Inventories	(119)	(110)
Other assets	(49)	(30)
Accounts payable	140	55
Accrued and other long-term liabilities	2	50
Other, net	(40)	5
Pension contributions	(11)	(8)
Net cash provided by operating activities from continuing operations	186	258
Net cash used in operating activities from discontinued operations	(31)	32
Net cash provided by operating activities	155	290
Cash flows from investing activities:
Capital expenditures	(243)	(164)
Proceeds from sale of property / investments	3	0
Cost of business acquisitions, net of cash acquired	0	(40)
Other Payments to Acquire Businesses	(5)	0
Cost of technology investments	0	(15)
Net cash used in investing activities from continuing operations	(245)	(219)
Net cash used in investing activities from discontinued operations	0	(51)
Net cash used in investing activities	(245)	(270)
Cash flows from financing activities:
Net (repayments) proceeds under other short-term debt agreements	35	(4)
Contingent consideration and deferred acquisition purchase price payments	0	(20)
Dividend payments of consolidated affiliates to minority shareholders	0	(10)
Repurchase of ordinary shares	(149)	(194)
Distribution of cash dividends	(59)	(78)
Taxes withheld and paid on employees' restricted share awards	(32)	(26)
Net cash used in financing activities	(205)	(332)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	44	21
Increase (decrease) in cash, cash equivalents and restricted cash	(251)	(291)
Cash, cash equivalents and restricted cash at beginning of period	1,597	839
Cash, cash equivalents and restricted cash at end of period	1,346	548
Cash, cash equivalents and restricted cash of discontinued operations	0	61
Cash, cash equivalents and restricted cash of continuing operations	$ 1,346	$ 487

XML

Consolidated Statement Of Shareholders' Equity - 3 months ended Mar. 31, 2018 - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total Aptiv Shareholders' Equity	Noncontrolling Interest
Balance at Dec. 31, 2017	$ 3,517	$ 3	$ 1,649	$ 2,118	$ (471)	$ 3,299	$ 218
Balance, in shares at Dec. 31, 2017		266,000,000
Net income	316			307		307	9
Other comprehensive income	39				35	35	4
Taxes witheld on employees' restricted share award vestings	$ (32)		(32)			(32)
Repurchase of ordinary shares, in shares	(1,676,144)	(2,000,000)
Repurchase of ordinary shares	$ (149)		(8)	(141)		(149)
Share-based compensation, in shares		1,000,000
Share based compensation	13		13			13
Distribution of Delphi Technologies	3			3		3
Balance at Mar. 31, 2018	3,698	$ 3	$ 1,622	2,278	$ (436)	3,467	$ 231
Balance, in shares at Mar. 31, 2018		265,000,000
Adjustment for recently adopted accounting pronouncements	$ (9)			$ (9)		$ (9)

XML

General

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

GENERAL

General and basis of presentation—“Aptiv,” the “Company,” “we,” “us” and “our” refer to Aptiv PLC, a public limited company which was formed under the laws of Jersey on May 19, 2011 as Delphi Automotive PLC, which together with its subsidiaries acquired certain assets of the former Delphi Corporation and completed an initial public offering on November 22, 2011. The former Delphi Corporation (now known as DPH Holdings Corp. (“DPHH”)) and, as the context may require, its subsidiaries and affiliates, are also referred to herein as “Old Delphi.” On December 4, 2017 (the “Distribution Date”), the Company completed the separation (the “Separation”) of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Following the Separation, the remaining company changed its name to Aptiv PLC and New York Stock Exchange ("NYSE") symbol to "APTV." Also, as a result of the Separation, Delphi Technologies became an independent public company trading on the NYSE under the symbol "DLPH" as of the Distribution Date. Delphi Technologies' historical financial results through the Distribution Date are reflected in the Company’s consolidated financial statements as a discontinued operation, as more fully described in Note 21. Discontinued Operations.

In April 2018, primarily as a result of the impact of the Separation on the Company’s U.K. presence and the centralization of the Company's non-manufacturing European footprint, along with the long-term stability of the financial and regulatory environment in Ireland and continued uncertainties with regards to the impending exit of the U.K. from the European Union, Aptiv PLC changed its tax residence from the U.K. to Ireland. Aptiv PLC remains a public limited company incorporated under the laws of Jersey, and will continue to be subject to United States Securities and Exchange Commission reporting requirements and prepare financial statements in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

The consolidated financial statements have been prepared in accordance with U.S. GAAP and all adjustments, consisting of only normal recurring items, which are necessary for a fair presentation, have been included. The consolidated financial statements and notes thereto included in this report should be read in conjunction with Aptiv's 2017 Annual Report on Form 10-K.

Nature of operations—Aptiv is a leading global technology and mobility company serving the automotive sector. We design and manufacture vehicle components and provide electrical, electronic and active safety technology solutions to the global automotive market. Aptiv operates manufacturing facilities and technical centers utilizing a regional service model that enables the Company to efficiently and effectively serve its global customers from best cost countries. In line with the long term growth in emerging markets, Aptiv has been increasing its focus on these markets, particularly in China, where the Company has a major manufacturing base and strong customer relationships.

XML

Significant Accounting Policies

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Significant Accounting Policies

SIGNIFICANT ACCOUNTING POLICIES

Consolidation—The consolidated financial statements include the accounts of Aptiv and U.S. and non-U.S. subsidiaries in which Aptiv holds a controlling financial or management interest and variable interest entities of which Aptiv has determined that it is the primary beneficiary. Aptiv’s share of the earnings or losses of non-controlled affiliates over which Aptiv exercises significant influence (generally a 20% to 50% ownership interest) is included in the consolidated operating results using the equity method of accounting. When Aptiv does not have the ability to exercise significant influence (generally when ownership interest is less than 20%), investments in non-consolidated affiliates are accounted for in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, and are measured at cost, less impairments, adjusted for observable price changes. All significant intercompany transactions and balances between consolidated Aptiv businesses have been eliminated. The Company monitors its investments in affiliates for indicators of other-than-temporary declines in value on an ongoing basis. If the Company determines that such a decline has occurred, an impairment loss is recorded, which is measured as the difference between carrying value and estimated fair value. Estimated fair value is generally determined using an income approach based on discounted cash flows or negotiated transaction values.

Investments in non-consolidated affiliates totaled $56 million and $56 million as of March 31, 2018 and December 31, 2017, respectively, and are classified within other long-term assets in the consolidated balance sheet.

Use of estimates—Preparation of consolidated financial statements in conformity with U.S. GAAP requires the use of estimates and assumptions that affect amounts reported therein. Generally, matters subject to estimation and judgment include amounts related to accounts receivable realization, inventory obsolescence, asset impairments, useful lives of intangible and fixed assets, deferred tax asset valuation allowances, income taxes, pension benefit plan assumptions, accruals related to litigation, warranty costs, environmental remediation costs, contingent consideration arrangements, worker’s compensation accruals and healthcare accruals. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may be based upon amounts that differ from those estimates.

Revenue recognition—Beginning in the first quarter of 2018, Aptiv recognizes revenue in accordance with ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 22. Revenue for additional information regarding the Company's revenue recognition policies.

Net income per share—Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. Unless otherwise noted, share and per share amounts included in these notes are on a diluted basis. Refer to Note 12. Shareholders’ Equity and Net Income Per Share for additional information including the calculation of basic and diluted net income per share.

Cash and cash equivalents—Cash and cash equivalents are defined as short-term, highly liquid investments with original maturities of three months or less.

Accounts receivable—Aptiv enters into agreements to sell certain of its accounts receivable, primarily in Europe. Sales of receivables are accounted for in accordance with FASB Accounting Standards Codification ("ASC") Topic 860, Transfers and Servicing ("ASC 860"). Agreements which result in true sales of the transferred receivables, as defined in ASC 860, which occur when receivables are transferred without recourse to the Company, are excluded from amounts reported in the consolidated balance sheets. Cash proceeds received from such sales are included in operating cash flows. Agreements that allow Aptiv to maintain effective control over the transferred receivables and which do not qualify as a sale, as defined in ASC 860, are accounted for as secured borrowings and recorded in the consolidated balance sheets within accounts receivable, net and short-term debt. The expenses associated with receivables factoring are recorded in the consolidated statements of operations within interest expense.

Intangible assets—Intangible assets were $1,204 million and $1,219 million as of March 31, 2018 and December 31, 2017, respectively. Aptiv amortizes definite-lived intangible assets over their estimated useful lives. Aptiv has definite-lived intangible assets related to patents and developed technology, customer relationships and trade names. Indefinite-lived in-process research and development intangible assets are not amortized, but are tested for impairment annually, or more frequently when indicators of potential impairment exist, until the completion or abandonment of the associated research and development efforts. Upon completion of the projects, the assets will be amortized over the expected economic life of the asset, which will be determined on that date. Should the project be determined to be abandoned, and if the asset developed has no alternative use, the full value of the asset will be charged to expense. The Company also has intangible assets related to acquired trade names that are classified as indefinite-lived when there are no foreseeable limits on the periods of time over which they are expected to contribute cash flows. These indefinite-lived trade name assets are tested for impairment annually, or more frequently when indicators of potential impairment exist. Costs to renew or extend the term of acquired intangible assets are recognized as expense as incurred. Amortization expense was $30 million and $29 million for the three months endedMarch 31, 2018 and 2017, respectively.

Goodwill—Goodwill is the excess of the purchase price over the estimated fair value of identifiable net assets acquired in business combinations. The Company tests goodwill for impairment annually in the fourth quarter, or more frequently when indications of potential impairment exist. The Company monitors the existence of potential impairment indicators throughout the fiscal year. The Company tests for goodwill impairment at the reporting unit level. Our reporting units are the components of operating segments which constitute businesses for which discrete financial information is available and is regularly reviewed by segment management.

The impairment test involves first qualitatively assessing goodwill for impairment. If the qualitative assessment is not met the Company then performs a quantitative assessment by first comparing the estimated fair value of each reporting unit to its carrying value, including goodwill. Fair value reflects the price a market participant would be willing to pay in a potential sale of the reporting unit. If the estimated fair value exceeds carrying value, then we conclude that no goodwill impairment has occurred. If the carrying value of the reporting unit exceeds its estimated fair value, a second step is required to measure possible goodwill impairment loss. The second step includes hypothetically valuing the tangible and intangible assets and liabilities of the reporting unit as if the reporting unit had been acquired in a business combination. Then, the implied fair value of the reporting unit's goodwill is compared to the carrying value of that goodwill. If the carrying value of the reporting unit's goodwill exceeds the implied fair value of the goodwill, the Company recognizes an impairment loss in an amount equal to the excess, not to exceed the carrying value. There were no indicators of potential goodwill impairment during the three months endedMarch 31, 2018. Goodwill was $1,980 million and $1,944 million as of March 31, 2018 and December 31, 2017, respectively.

Warranty and product recalls—Expected warranty costs for products sold are recognized at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. Costs of product recalls, which may include the cost of the product being replaced as well as the customer’s cost of the recall, including labor to remove and replace the recalled part, are accrued as part of our warranty accrual at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Refer to Note 6. Warranty Obligations for additional information.

Discontinued operations—The Company reports financial results for discontinued operations separately from continuing operations to distinguish the financial impact of disposal transactions from ongoing operations. Discontinued operations reporting occurs only when the disposal of a component or a group of components of the Company represents a strategic shift that will have a major effect on the Company's operations and financial results. During the year ended December 31, 2017, the Company completed the Separation of its former Powertrain Systems segment by means of a spin-off into Delphi Technologies. Accordingly, the assets and liabilities, operating results and operating and investing cash flows for the previously reported Powertrain Systems segment are presented as discontinued operations separate from the Company’s continuing operations and segment results for all periods presented in these consolidated financial statements and the notes to the consolidated financial statements, unless otherwise noted. Refer to Note 21. Discontinued Operations for further information regarding the Company's discontinued operations.

Income taxes—Deferred tax assets and liabilities reflect temporary differences between the amount of assets and liabilities for financial and tax reporting purposes. Such amounts are adjusted, as appropriate, to reflect changes in tax rates expected to be in effect when the temporary differences reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in earnings in the period that includes the enactment date. A valuation allowance is recorded to reduce deferred tax assets to the amount that is more likely than not to be realized. In the event the Company determines it is more likely than not that the deferred tax assets will not be realized in the future, the valuation allowance adjustment to the deferred tax assets will be charged to earnings in the period in which the Company makes such a determination. In determining the provision for income taxes for financial statement purposes, the Company makes certain estimates and judgments which affect its evaluation of the carrying value of its deferred tax assets, as well as its calculation of certain tax liabilities. Refer to Note 11. Income Taxes for additional information.

Restructuring—Aptiv continually evaluates alternatives to align the business with the changing needs of its customers and to lower operating costs. This includes the realignment of its existing manufacturing capacity, facility closures, or similar actions, either in the normal course of business or pursuant to significant restructuring programs. These actions may result in employees receiving voluntary or involuntary employee termination benefits, which are mainly pursuant to union or other contractual agreements. Voluntary termination benefits are accrued when an employee accepts the related offer. Involuntary termination benefits are accrued upon the commitment to a termination plan and when the benefit arrangement is communicated to affected employees, or when liabilities are determined to be probable and estimable, depending on the existence of a substantive plan for severance or termination. Contract termination costs are recorded when contracts are terminated or when Aptiv ceases to use the leased facility and no longer derives economic benefit from the contract. All other exit costs are expensed as incurred. Refer to Note 7. Restructuring for additional information.

Customer concentrations—As reflected in the table below, combined net sales to General Motors Company ("GM") and Volkswagen Group ("VW"), Aptiv's two largest customers, totaled approximately 19% and 24% of our total net sales for the three months endedMarch 31, 2018 and 2017, respectively.

	Percentage of Total Net Sales				Accounts and Other Receivables
	Three Months Ended March 31,				March 31, 2018		December 31, 2017
	2018		2017
					(in millions)
GM (1)	11	%	15	%	$	237	$	204
VW	8	%	9	%	165		145

(1) Net sales to GM includes net sales to GM's former European Opel business prior to its sale to PSA Peugeot Citroën ("PSA") on August 1, 2017, after which date these sales are excluded from net sales to GM.

Recently adopted accounting pronouncements—Aptiv adopted ASU 2014-09, Revenue from Contracts with Customers, in the first quarter of 2018 using the modified retrospective method. This ASU supersedes most of the existing guidance on revenue recognition in ASC Topic 605, Revenue Recognition and establishes a broad principle that would require an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Refer to Note 22. Revenue for additional information.

Aptiv adopted ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, in the first quarter of 2018. This guidance makes targeted improvements to existing U.S. GAAP for financial instruments, including requiring equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. In accordance with this guidance, Aptiv measures equity investments at cost, less impairments, adjusted for observable price changes. The adoption of this guidance did not have a significant impact on Aptiv's financial statements.

Aptiv adopted ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, in the first quarter of 2018. This guidance clarifies the presentation requirements of eight specific issues within the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, as Aptiv's treatment of the relevant affected items within its consolidated statement of cash flows is consistent with the requirements of this guidance.

Aptiv adopted ASU 2016-16, Accounting for Income Taxes: Intra-Entity Asset Transfers of Assets Other than Inventory, in the first quarter of 2018. This guidance requires that the tax effects of all intra-entity sales of assets other than inventory be recognized in the period in which the transaction occurs. The guidance is to be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. The adoption of this guidance resulted in an adjustment of $9 million recorded to retained earnings during the three months endedMarch 31, 2018.

Aptiv adopted ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, in the first quarter of 2018. This guidance requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and restricted cash. As a result, restricted cash will be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, other than the classification of restricted cash within the beginning-of-period and end-of-period totals on the consolidated statement of cash flows, as opposed to being excluded from these totals.

Recently issued accounting pronouncements not yet adopted—In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). Under this guidance, lessees will be required to recognize on the balance sheet a lease liability and a right-of-use asset for all leases, with the exception of short-term leases. The lease liability represents the lessee's obligation to make lease payments arising from a lease, and will be measured as the present value of the lease payments. The right-of-use asset represents the lessee’s right to use a specified asset for the lease term, and will be measured at the lease liability amount, adjusted for lease prepayment, lease incentives received and the lessee’s initial direct costs. The standard also requires a lessee to recognize a single lease cost allocated over the lease term, generally on a straight-line basis. The new guidance is effective for fiscal years beginning after December 15, 2018. ASU 2016-02 is required to be applied using the modified retrospective approach for all leases existing as of the effective date and provides for certain practical expedients. Early adoption is permitted. The Company is currently evaluating the effects that the adoption of ASU 2016-02 will have on the Company’s consolidated financial statements, and anticipates the new guidance will significantly impact its consolidated financial statements as the Company has a significant number of leases.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. This guidance also requires enhanced disclosures regarding significant estimates and judgments used in estimating credit losses. The new guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This guidance simplifies how an entity is required to test goodwill for impairment by eliminating step two from the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount. Under the new guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. The standard will be applied prospectively and is effective for annual and interim impairment tests performed in periods beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of adopting this standard on its financial statements, but does not anticipate a material impact. As this standard is prospective in nature, the impact to Aptiv's financial statements of not performing a step two in order to measure the amount of any potential goodwill impairment will depend on various factors associated with the Company's assessment of goodwill for impairment in those future periods.

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging—Targeted Improvements to Accounting for Hedging Activities, which expands and refines the application of hedge accounting for both non-financial and financial risk components and aligns the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, Income Statement—Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which allows for the elimination of the stranded income tax effects resulting from the enactment of the Tax Cuts and Jobs Act through a reclassification from accumulated other comprehensive income to retained earnings. The standard is effective for fiscal years beginning after December 15, 2018. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

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Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

Inventories are stated at the lower of cost, determined on a first-in, first-out basis, or net realizable value, including direct material costs and direct and indirect manufacturing costs. A summary of inventories is shown below:

	March 31, 2018		December 31, 2017
	(in millions)
Productive material	$	675	$	584
Work-in-process	107		100
Finished goods	420		399
Total	$	1,202	$	1,083

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Assets

3 Months Ended

Mar. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Assets

ASSETS

Other current assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Value added tax receivable	$	162	$	160
Prepaid insurance and other expenses	116		104
Reimbursable engineering costs	44		33
Notes receivable	15		16
Income and other taxes receivable	62		46
Deposits to vendors	8		8
Derivative financial instruments (Note 14)	34		30
Accounts receivable to be remitted to Delphi Technologies (Note 21)	289		123
Other	2		1
Total	$	732	$	521

Other long-term assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Deferred income taxes, net	$	183	$	185
Unamortized Revolving Credit Facility debt issuance costs (Note 8)	7		8
Income and other taxes receivable	11		22
Reimbursable engineering costs	72		66
Value added tax receivable	38		37
Equity investments (Note 17)	56		56
Derivative financial instruments (Note 14)	2		8
Other	90		88
Total	$	459	$	470

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Liabilities

3 Months Ended

Mar. 31, 2018

Other Liabilities Disclosure [Abstract]

Liabilities

LIABILITIES

Accrued liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Payroll-related obligations	$	238	$	218
Employee benefits, including current pension obligations	74		116
Income and other taxes payable	234		233
Warranty obligations (Note 6)	46		41
Restructuring (Note 7)	81		90
Customer deposits	32		28
Derivative financial instruments (Note 14)	30		15
Accrued interest	29		41
Dividends payable	—		59
Accounts payable to be remitted on behalf of Delphi Technologies (Note 21)	267		132
Other	335		323
Total	$	1,366	$	1,296

Other long-term liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Environmental (Note 10)	$	4	$	4
Extended disability benefits	9		9
Warranty obligations (Note 6)	17		17
Restructuring (Note 7)	40		42
Payroll-related obligations	10		10
Accrued income taxes	156		154
Deferred income taxes, net	218		222
Derivative financial instruments (Note 14)	5		11
Other	72		57
Total	$	531	$	526

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Warranty Obligations

3 Months Ended

Mar. 31, 2018

Product Warranties Disclosures [Abstract]

Warranty Obligations

WARRANTY OBLIGATIONS

Expected warranty costs for products sold are recognized principally at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. The estimated costs related to product recalls based on a formal campaign soliciting return of that product are accrued at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Aptiv has recognized its best estimate for its total aggregate warranty reserves, including product recall costs, across all of its operating segments as of March 31, 2018. The Company estimates the reasonably possible amount to ultimately resolve all matters in excess of the recorded reserves as of March 31, 2018 to be zero to $25 million.

The table below summarizes the activity in the product warranty liability for the three months endedMarch 31, 2018:

	Warranty Obligations
	(in millions)
Accrual balance at beginning of period	$	58
Provision for estimated warranties incurred during the period	9
Changes in estimate for pre-existing warranties	2
Settlements made during the period (in cash or in kind)	(8		)
Foreign currency translation and other	2
Accrual balance at end of period	$	63

In September 2016, one of the Company's OEM customers initiated a recall to enhance airbag deployment systems in certain vehicles. Aptiv's Advanced Safety and User Experience segment had supplied sensors and related control modules for the airbags in the affected vehicles. During the first quarter of 2017, Aptiv reached an agreement with its customer related to this matter and recognized $43 million of warranty expense within cost of sales during the three months endedMarch 31, 2017.

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Restructuring

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Restructuring

RESTRUCTURING

Aptiv’s restructuring activities are undertaken as necessary to implement management’s strategy, streamline operations, take advantage of available capacity and resources, and ultimately achieve net cost reductions. These activities generally relate to the realignment of existing manufacturing capacity and closure of facilities and other exit or disposal activities, as it relates to executing Aptiv’s strategy, either in the normal course of business or pursuant to significant restructuring programs.

As part of Aptiv's continued efforts to optimize its cost structure, it has undertaken several restructuring programs which include workforce reductions as well as plant closures. These programs are primarily focused on the continued rotation of our manufacturing footprint to best cost locations in Europe and on reducing global overhead costs, including programs implemented to realign the Company's organizational structure due to changes in roles and workforce as a result of the spin-off of the former Powertrain Systems segment. The Company recorded employee-related and other restructuring charges related to these programs totaling approximately $20 million during the three months endedMarch 31, 2018, which is primarily comprised of $12 million recognized for programs focused on the continued rotation of our manufacturing footprint to best cost locations in Europe, as well as for programs implemented to reduce global overhead costs.

Restructuring costs of approximately $52 million were recorded during the three months endedMarch 31, 2017, which included the recognition of approximately $36 million of employee-related and other costs related to the closure of an Advanced Safety and User Experience Western European manufacturing site, pursuant to the Company's on-going European footprint rotation strategy.

Restructuring charges for employee separation and termination benefits are paid either over the severance period or in a lump sum in accordance with either statutory requirements or individual agreements. Aptiv incurred cash expenditures related to its restructuring programs of approximately $36 million and $34 million in the three months endedMarch 31, 2018 and 2017, respectively.

The following table summarizes the restructuring charges recorded for the three months endedMarch 31, 2018 and 2017 by operating segment:

	Three Months Ended March 31,
	2018		2017
	(in millions)
Signal and Power Solutions	$	18	$	13
Advanced Safety and User Experience	2		39
Total	$	20	$	52

The table below summarizes the activity in the restructuring liability for the three months endedMarch 31, 2018:

	Employee Termination Benefits Liability			Other Exit Costs Liability		Total
	(in millions)
Accrual balance at January 1, 2018	$	131		$	1	$	132
Provision for estimated expenses incurred during the period	20			—		20
Payments made during the period	(36		)	—		(36		)
Foreign currency and other	5			—		5
Accrual balance at March 31, 2018	$	120		$	1	$	121

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Debt

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Debt

DEBT

The following is a summary of debt outstanding, net of unamortized issuance costs and discounts, as of March 31, 2018 and December 31, 2017, respectively:

	March 31, 2018			December 31, 2017
	(in millions)
3.15%, senior notes, due 2020 (net of $2 and $2 unamortized issuance costs and $1 and $1 discount, respectively)	$	647		$	647
4.15%, senior notes, due 2024 (net of $4 and $4 unamortized issuance costs and $1 and $1 discount, respectively)	695			695
1.50%, Euro-denominated senior notes, due 2025 (net of $4 and $4 unamortized issuance costs and $3 and $3 discount, respectively)	855			833
4.25%, senior notes, due 2026 (net of $4 and $4 unamortized issuance costs, respectively)	646			646
1.60%, Euro-denominated senior notes, due 2028 (net of $4 and $4 unamortized issuance costs and $0 and $1 discount, respectively)	611			595
4.40%, senior notes, due 2046 (net of $3 and $3 unamortized issuance costs and $2 and $2 discount, respectively)	295			295
Tranche A Term Loan, due 2021 (net of $1 and $2 unamortized issuance costs, respectively)	394			396
Capital leases and other	80			42
Total debt	4,223			4,149
Less: current portion	(60		)	(17		)
Long-term debt	$	4,163		$	4,132

Credit Agreement

Aptiv PLC and its wholly-owned subsidiary Delphi Corporation entered into a credit agreement (the "Credit Agreement") with JPMorgan Chase Bank, N.A., as administrative agent (the "Administrative Agent"), under which it maintains senior secured credit facilities currently consisting of a term loan (the “Tranche A Term Loan”) and a revolving credit facility of $2.0 billion (the “Revolving Credit Facility”). The Credit Agreement was entered into in March 2011 and has been subsequently amended and restated on several occasions, most recently on August 17, 2016. The 2016 amendment extended the maturity of the Revolving Credit Facility and the Tranche A Term Loan from 2018 to 2021, increased the capacity of the Revolving Credit Facility from $1.5 billion to $2.0 billion and permitted Aptiv PLC to act as a borrower on the Revolving Credit Facility.

The Tranche A Term Loan and the Revolving Credit Facility mature on August 17, 2021. Beginning in the fourth quarter of 2017, Aptiv was obligated to begin making quarterly principal payments throughout the term of the Tranche A Term Loan, according to the amortization schedule in the Credit Agreement. The Credit Agreement also contains an accordion feature that permits Aptiv to increase, from time to time, the aggregate borrowing capacity under the Credit Agreement by up to an additional $1 billion (or a greater amount based upon a formula set forth in the Credit Agreement) upon Aptiv's request, the agreement of the lenders participating in the increase, and the approval of the Administrative Agent and existing lenders.

As of March 31, 2018, there were no amounts drawn on the Revolving Credit Facility and approximately $7 million in letters of credit issued under the Credit Agreement. Letters of credit issued under the Credit Agreement reduce availability under the Revolving Credit Facility.

Loans under the Credit Agreement bear interest, at Aptiv's option, at either (a) the Administrative Agent’s Alternate Base Rate (“ABR” as defined in the Credit Agreement) or (b) the London Interbank Offered Rate (the “Adjusted LIBO Rate” as defined in the Credit Agreement) (“LIBOR”) plus in either case a percentage per annum as set forth in the table below (the “Applicable Rate”). The Applicable Rates under the Credit Agreement on the specified dates are set forth below:

	March 31, 2018				December 31, 2017
	LIBOR plus		ABR plus		LIBOR plus		ABR plus
Revolving Credit Facility	1.10	%	0.10	%	1.10	%	0.10	%
Tranche A Term Loan	1.25	%	0.25	%	1.25	%	0.25	%

The Applicable Rate under the Credit Agreement may increase or decrease from time to time based on changes in the Company's credit ratings. Accordingly, the interest rate will fluctuate during the term of the Credit Agreement based on changes in the ABR, LIBOR or future changes in the Company's corporate credit ratings. The Credit Agreement also requires that Aptiv pay certain facility fees on the Revolving Credit Facility and certain letter of credit issuance and fronting fees.

The interest rate period with respect to LIBOR interest rate options can be set at one-, two-, three-, or six-months as selected by Aptiv in accordance with the terms of the Credit Agreement (or other period as may be agreed by the applicable lenders). Aptiv may elect to change the selected interest rate option in accordance with the provisions of the Credit Agreement. As of March 31, 2018, Aptiv selected the one-month LIBOR interest rate option on the Tranche A Term Loan, and the rate effective as of March 31, 2018, as detailed in the table below, was based on the Company's current credit rating and the Applicable Rate for the Credit Agreement:

		Borrowings as of
		March 31, 2018		Rate effective as of
	Applicable Rate	(in millions)		March 31, 2018
Tranche A Term Loan	LIBOR plus 1.25%	$	395	3.06	%

Borrowings under the Credit Agreement are prepayable at Aptiv's option without premium or penalty.

The Credit Agreement contains certain covenants that limit, among other things, the Company’s (and the Company’s subsidiaries’) ability to incur certain additional indebtedness or liens or to dispose of substantially all of its assets. In addition, the Credit Agreement requires that the Company maintain a consolidated leverage ratio (the ratio of Consolidated Total Indebtedness to Consolidated EBITDA, each as defined in the Credit Agreement) of less than 3.50 to 1.0. The Credit Agreement also contains events of default customary for financings of this type. The Company was in compliance with the Credit Agreement covenants as of March 31, 2018.

As of March 31, 2018, all obligations under the Credit Agreement were borrowed by Delphi Corporation and jointly and severally guaranteed by its direct and indirect parent companies, subject to certain exceptions set forth in the Credit Agreement. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements for additional information.

Senior Unsecured Notes

On March 3, 2014, Delphi Corporation issued $700 million in aggregate principal amount of 4.15% senior unsecured notes due 2024 (the “2014 Senior Notes”) in a transaction registered under the Securities Act. The 2014 Senior Notes were priced at 99.649% of par, resulting in a yield to maturity of 4.193%. The proceeds were primarily utilized to redeem $500 million of 5.875% senior unsecured notes due 2019 and to repay a portion of the Tranche A Term Loan. Aptiv paid approximately $6 million of issuance costs in connection with the 2014 Senior Notes. Interest is payable semi-annually on March 15 and September 15 of each year to holders of record at the close of business on March 1 or September 1 immediately preceding the interest payment date.

On March 10, 2015, Aptiv PLC issued €700 million in aggregate principal amount of 1.50% Euro-denominated senior unsecured notes due 2025 (the “2015 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2015 Euro-denominated Senior Notes were priced at 99.54% of par, resulting in a yield to maturity of 1.55%. The proceeds were primarily utilized to redeem $500 million of 6.125% senior unsecured notes due 2021, and to fund growth initiatives, such as acquisitions, and share repurchases. Aptiv incurred approximately $5 million of issuance costs in connection with the 2015 Euro-denominated Senior Notes. Interest is payable annually on March 10. The Company has designated the 2015 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities for further information.

On November 19, 2015, Aptiv PLC issued $1.3 billion in aggregate principal amount of senior unsecured notes in a transaction registered under the Securities Act, comprised of $650 million of 3.15% senior unsecured notes due 2020 (the "3.15% Senior Notes") and $650 million of 4.25% senior unsecured notes due 2026 (the "4.25% Senior Notes") (collectively, the "2015 Senior Notes"). The 3.15% Senior Notes were priced at 99.784% of par, resulting in a yield to maturity of 3.197%, and the 4.25% Senior Notes were priced at 99.942% of par, resulting in a yield to maturity of 4.256%. The proceeds were primarily utilized to fund a portion of the cash consideration for the acquisition of HellermannTyton PLC and for general corporate purposes, including the payment of fees and expenses associated with the HellermannTyton PLC acquisition and the related financing transaction. Aptiv incurred approximately $8 million of issuance costs in connection with the 2015 Senior Notes. Interest on the 3.15% Senior Notes is payable semi-annually on May 19 and November 19 of each year to holders of record at the close of business on May 4 or November 4 immediately preceding the interest payment date. Interest on the 4.25% Senior Notes is payable semi-annually on January 15 and July 15 of each year to holders of record at the close of business on January 1 or July 1 immediately preceding the interest payment date.

On September 15, 2016, Aptiv PLC issued €500 million in aggregate principal amount of 1.60% Euro-denominated senior unsecured notes due 2028 (the “2016 Euro-denominated Senior Notes”) in a transaction registered under the Securities Act. The 2016 Euro-denominated Senior Notes were priced at 99.881% of par, resulting in a yield to maturity of 1.611%. The proceeds, together with proceeds from the 2016 Senior Notes described below, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $4 million of issuance costs in connection with the 2016 Euro-denominated Senior Notes. Interest is payable annually on September 15. The Company has designated the 2016 Euro-denominated Senior Notes as a net investment hedge of the foreign currency exposure of its investments in certain Euro-denominated wholly-owned subsidiaries. Refer to Note 14. Derivatives and Hedging Activities for further information.

On September 20, 2016, Aptiv PLC issued $300 million in aggregate principal amount of 4.40% senior unsecured notes due 2046 (the “2016 Senior Notes”) in a transaction registered under the Securities Act. The 2016 Senior Notes were priced at 99.454% of par, resulting in a yield to maturity of 4.433%. The proceeds, together with proceeds from the 2016 Euro-denominated Senior Notes, were utilized to redeem the $800 million of 5.00% senior unsecured notes due 2023. Aptiv incurred approximately $3 million of issuance costs in connection with the 2016 Senior Notes. Interest is payable semi-annually on April 1 and October 1 of each year to holders of record at the close of business on March 15 or September 15 immediately preceding the interest payment date.

Although the specific terms of each indenture governing each series of senior notes vary, the indentures contain certain restrictive covenants, including with respect to Aptiv's (and Aptiv's subsidiaries) ability to incur liens, enter into sale and leaseback transactions and merge with or into other entities. As of March 31, 2018, the Company was in compliance with the provisions of all series of the outstanding senior notes.

The 2014 Senior Notes were issued by Delphi Corporation. The 2014 Senior Notes are fully and unconditionally guaranteed, jointly and severally, by Aptiv PLC and by certain of Aptiv PLC's direct and indirect subsidiaries which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions (other than in the case of Aptiv PLC). The 2015 Euro-denominated Senior Notes, 2015 Senior Notes, 2016 Euro-denominated Senior Notes and 2016 Senior Notes issued by Aptiv PLC are fully and unconditionally guaranteed, jointly and severally, by certain of Aptiv PLC's direct and indirect subsidiaries (including Delphi Corporation), which are directly or indirectly 100% owned by Aptiv PLC, subject to customary release provisions. Refer to Note 19. Supplemental Guarantor and Non-Guarantor Condensed Consolidating Financial Statements for additional information.

Other Financing

Receivable factoring—Aptiv maintains a €300 million European accounts receivable factoring facility that is available on a committed basis. This facility is accounted for as short-term debt and borrowings are subject to the availability of eligible accounts receivable. Collateral is not required related to these trade accounts receivable. This program renews on a non-committed, indefinite basis unless terminated by either party. Borrowings bear interest at Euro Interbank Offered Rate ("EURIBOR") plus 0.42% for borrowings denominated in Euros. No amounts were outstanding on the European accounts receivable factoring facility as of March 31, 2018 or December 31, 2017.

Capital leases and other—As of March 31, 2018 and December 31, 2017, approximately $80 million and $42 million, respectively, of other debt primarily issued by certain non-U.S. subsidiaries and capital lease obligations was outstanding.

Interest—Cash paid for interest related to debt outstanding totaled $45 million and $43 million for the three months endedMarch 31, 2018 and 2017, respectively.

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Pension Benefits

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Pension Benefits

PENSION BENEFITS

Certain of Aptiv’s non-U.S. subsidiaries sponsor defined benefit pension plans, which generally provide benefits based on negotiated amounts for each year of service. Aptiv’s primary non-U.S. plans are located in France, Germany, Mexico, Portugal and the United Kingdom (“U.K.”). The U.K. and certain Mexican plans are funded. In addition, Aptiv has defined benefit plans in South Korea, Turkey and Italy for which amounts are payable to employees immediately upon separation. The obligations for these plans are recorded over the requisite service period.

Aptiv sponsors a Supplemental Executive Retirement Program (“SERP”) for those employees who were U.S. executives of DPHH prior to September 30, 2008 and were still U.S. executives of the Company on October 7, 2009, the effective date of the program. This program is unfunded. Executives receive benefits over 5 years after an involuntary or voluntary separation from Aptiv. The SERP is closed to new members.

The amounts shown below reflect the defined benefit pension expense for the three months endedMarch 31, 2018 and 2017:

	Non-U.S. Plans						U.S. Plans
	Three Months Ended March 31,
	2018			2017			2018		2017
	(in millions)
Service cost	$	5		$	4		$	—	$	—
Interest cost	7			7			—		—
Expected return on plan assets	(6		)	(6		)	—		—
Curtailment loss	1			—			—		—
Amortization of actuarial losses	4			3			—		—
Net periodic benefit cost	$	11		$	8		$	—	$	—

Other postretirement benefit obligations were approximately $4 million and $4 million at March 31, 2018 and December 31, 2017, respectively.

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Commitments And Contingencies

3 Months Ended

Mar. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments And Contingencies

COMMITMENTS AND CONTINGENCIES

Ordinary Business Litigation

Aptiv is from time to time subject to various legal actions and claims incidental to its business, including those arising out of alleged defects, alleged breaches of contracts, product warranties, intellectual property matters, and employment-related matters. It is the opinion of Aptiv that the outcome of such matters will not have a material adverse impact on the consolidated financial position, results of operations, or cash flows of Aptiv. With respect to warranty matters, although Aptiv cannot ensure that the future costs of warranty claims by customers will not be material, Aptiv believes its established reserves are adequate to cover potential warranty settlements.

Unsecured Creditors Litigation

Aptiv was subject to ongoing litigation related to general unsecured claims against the former Delphi Corporation, now known as DPHH, resulting from that entity's 2005 bankruptcy filing. The Fourth Amended and Restated Limited Liability Partnership Agreement of Delphi Automotive LLP (the “Fourth LLP Agreement”) was entered into on July 12, 2011 by the members of Delphi Automotive LLP in order to position the Company for its initial public offering. Under the terms of the Fourth LLP Agreement, if cumulative distributions to the members of Delphi Automotive LLP under certain provisions of the Fourth LLP Agreement exceed $7.2 billion, Aptiv, as disbursing agent on behalf of DPHH, is required to pay to the holders of allowed general unsecured claims against DPHH $32.50 for every $67.50 in excess of $7.2 billion distributed to the members, up to a maximum amount of $300 million. On January 12, 2017, the United States Bankruptcy Court for the Southern District of New York (the "Bankruptcy Court") granted summary judgment in favor of the unsecured creditors and thus the $300 million maximum distribution for general unsecured claims was triggered. In connection with the January 2017 ruling, the Company recorded a reserve of $300 million in the fourth quarter of 2016. In March 2017, the Bankruptcy Court issued a ruling on the application of pre-judgment interest owed on the amount of the distribution to be made to the holders of general unsecured claims. Pursuant to this ruling, Aptiv recorded an additional reserve of $27 million during the three months ended March 31, 2017.

During the second quarter of 2017, Aptiv and the plaintiffs reached an agreement to settle this matter for $310 million, which was subsequently approved by the Bankruptcy Court. In July 2017, the Company paid the $310 million settlement pursuant to the terms of the settlement agreement.

Brazil Matters

Aptiv conducts business operations in Brazil that are subject to the Brazilian federal labor, social security, environmental, tax and customs laws, as well as a variety of state and local laws. While Aptiv believes it complies with such laws, they are complex, subject to varying interpretations, and the Company is often engaged in litigation with government agencies regarding the application of these laws to particular circumstances. As of March 31, 2018, the majority of claims asserted against Aptiv in Brazil relate to such litigation. The remaining claims in Brazil relate to commercial and labor litigation with private parties. As of March 31, 2018, claims totaling approximately $180 million (using March 31, 2018 foreign currency rates) have been asserted against Aptiv in Brazil. As of March 31, 2018, the Company maintains accruals for these asserted claims of $25 million (using March 31, 2018 foreign currency rates). The amounts accrued represent claims that are deemed probable of loss and are reasonably estimable based on the Company’s analyses and assessment of the asserted claims and prior experience with similar matters. While the Company believes its accruals are adequate, the final amounts required to resolve these matters could differ materially from the Company’s recorded estimates and Aptiv’s results of operations could be materially affected. The Company estimates the reasonably possible loss in excess of the amounts accrued related to these claims to be zero to $155 million.

Environmental Matters

Aptiv is subject to the requirements of U.S. federal, state, local and non-U.S. environmental and safety and health laws and regulations. As of March 31, 2018 and December 31, 2017, the undiscounted reserve for environmental investigation and remediation was approximately $5 million (of which $1 million was recorded in accrued liabilities and $4 million was recorded in other long-term liabilities) and $4 million (which was recorded in other long-term liabilities), respectively. Aptiv cannot ensure that environmental requirements will not change or become more stringent over time or that its eventual environmental remediation costs and liabilities will not exceed the amount of its current reserves. In the event that such liabilities were to significantly exceed the amounts recorded, Aptiv’s results of operations could be materially affected. At March 31, 2018, the difference between the recorded liabilities and the reasonably possible range of potential loss was not material.

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Income Taxes

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

At the end of each interim period, the Company makes its best estimate of the annual expected effective income tax rate and applies that rate to its ordinary year-to-date earnings or loss. The income tax provision or benefit related to unusual or infrequent items, if applicable, that will be separately reported or reported net of their related tax effects are individually computed and recognized in the interim period in which those items occur. In addition, the effect of changes in enacted tax laws or rates, tax status, judgment on the realizability of a beginning-of-the-year deferred tax asset in future years or income tax contingencies is recognized in the interim period in which the change occurs.

The computation of the annual expected effective income tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the expected pre-tax income (or loss) for the year, projections of the proportion of income (and/or loss) earned and taxed in respective jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. Jurisdictions with a projected loss for the year or a year-to-date loss for which no tax benefit or expense can be recognized due to a valuation allowance are excluded from the estimated annual effective tax rate. The impact of such an exclusion could result in a higher or lower effective tax rate during a particular quarter, based upon the composition and timing of actual earnings compared to annual projections. The estimates used to compute the provision or benefit for income taxes may change as new events occur, additional information is obtained or as our tax environment changes. To the extent that the expected annual effective income tax rate changes, the effect of the change on prior interim periods is included in the income tax provision in the period in which the change in estimate occurs.

The Company's income tax expense and effective tax rate for the three months endedMarch 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
	(dollars in millions)
Income tax expense	$	59		$	19
Effective tax rate	16		%	8		%

The Company’s tax rate is affected by the fact that its parent entity was a U.K. resident taxpayer through March 31, 2018, the tax rates in the U.K. and other jurisdictions in which the Company operates, the relative amount of income earned by jurisdiction and the relative amount of losses or income for which no tax benefit or expense was recognized due to a valuation allowance. The Company’s effective tax rate was impacted by unfavorable changes in geographic income mix in 2018 as compared to 2017, primarily due to changes in the underlying business operations and the receipt of certain tax incentives and holidays that reduced the effective tax rate for certain subsidiaries below the statutory rate during the three months endedMarch 31, 2017.

The Company’s effective tax rate for the three months endedMarch 31, 2018 also includes net discrete tax benefits of $1 million, primarily related to changes in reserves, offset by provision to return adjustments. The effective tax rate for the three months endedMarch 31, 2017 includes net discrete tax benefits of $8 million, primarily related to provision to return adjustments.

The Tax Cuts and Jobs Act (the "Tax Legislation") was enacted in the United States on December 22, 2017, significantly revising the U.S. corporate income tax by, among other things, lowering corporate income tax rates and imposing a one-time repatriation tax on deemed repatriated earnings of foreign subsidiaries. Pursuant to ASU 2018-05, Income Taxes (Topic 740): Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118, the Company recognized the provisional effects of the enactment of the Tax Legislation of approximately $50 million during the year ended December 31, 2017 for which measurement could be reasonably estimated. The impact was primarily the result of increased tax expense due to the one-time deemed repatriation tax and a reduction of our foreign tax credit, partially offset by the favorable impact of the reduced tax rate on the Company’s net deferred tax liabilities. Pursuant to ASU 2018-05, adjustments to the provisional amounts recorded by the Company as of December 31, 2017 that are identified within a subsequent measurement period of up to one year from the enactment date will be included as an adjustment to tax expense from continuing operations in the period the amounts are determined. To-date in 2018, the U.S. Treasury Department and the Internal Revenue Service ("IRS") have issued additional guidance, particularly with respect to computing the transition tax on the untaxed foreign earnings of foreign subsidiaries. As the Company has not yet fully completed its analysis of this recent guidance, no adjustments have been made during the three months endedMarch 31, 2018 to the provisional amounts previously recorded. The Company continues to refine its assessment through further analysis of certain aspects of the Tax Legislation and the recently issued guidance. Accordingly, the ultimate impact of the Tax Legislation may differ from these estimates due to its continued analysis or further regulatory guidance that may be issued.

Aptiv PLC was a U.K. resident taxpayer, and became an Irish resident taxpayer in April 2018. As the Company is not a domestic corporation for U.S. federal income tax purposes, it is not subject to U.S. tax on remitted foreign earnings. Aptiv PLC was generally not subject to U.K. tax on the repatriation of foreign earnings and, as a result of its capital structure, believes it will also not be subject to Irish tax subsequent to becoming an Irish resident taxpayer.

Cash paid or withheld for income taxes was $52 million and $63 million for the three months endedMarch 31, 2018 and 2017 respectively.

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Shareholders' Equity And Net Income Per Share

3 Months Ended

Mar. 31, 2018

Shareholders' Equity and Net Income Per Share Note [Abstract]

Shareholders' Equity And Net Income Per Share

SHAREHOLDERS’ EQUITY AND NET INCOME PER SHARE

Net Income Per Share

Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. For all periods presented, the calculation of diluted net income per share contemplates the dilutive impacts, if any, of the Company’s share-based compensation plans. Refer to Note 18. Share-Based Compensation for additional information.

Weighted Average Shares

The following table illustrates net income per share attributable to Aptiv and the weighted average shares outstanding used in calculating basic and diluted income per share:

	Three Months Ended March 31,
	2018		2017
	(in millions, except per share data)
Numerator:
Income from continuing operations	$	307	$	220
Income from discontinued operations	—		115
Net income attributable to Aptiv	$	307	$	335
Denominator:
Weighted average ordinary shares outstanding, basic	265.69		269.20
Dilutive shares related to restricted stock units ("RSUs")	0.75		0.34
Weighted average ordinary shares outstanding, including dilutive shares	266.44		269.54
Basic net income per share:
Continuing operations	$	1.16	$	0.82
Discontinued operations	—		0.42
Basic net income per share attributable to Aptiv	$	1.16	$	1.24
Diluted net income per share:
Continuing operations	$	1.15	$	0.82
Discontinued operations	—		0.42
Diluted net income per share attributable to Aptiv	$	1.15	$	1.24
Anti-dilutive securities share impact	—		—

Share Repurchase Program

In April 2016, the Board of Directors authorized a share repurchase program of up to $1.5 billion of ordinary shares, which commenced in September 2016 following the completion of the Company's $1.5 billion January 2015 share repurchase program. This share repurchase program provides for share purchases in the open market or in privately negotiated transactions, depending on share price, market conditions and other factors, as determined by the Company.

A summary of the ordinary shares repurchased during the three months endedMarch 31, 2018 and 2017 is as follows:

	Three Months Ended March 31,
	2018		2017
Total number of shares repurchased	1,676,144		2,555,703
Average price paid per share	$	89.17	$	75.52
Total (in millions)	$	149	$	193

As of March 31, 2018, approximately $840 million of share repurchases remained available under the April 2016 share repurchase program. All repurchased shares were retired, and are reflected as a reduction of ordinary share capital for the par value of the shares, with the excess applied as reductions to additional paid-in-capital and retained earnings.

Dividends

The Company has declared and paid cash dividends per ordinary share during the periods presented as follows:

	Dividend		Amount
	Per Share		(in millions)
2018:
First quarter	$	0.22	$	59
Total	$	0.22	$	59
2017:
Fourth quarter	$	0.29	$	77
Third quarter	0.29		77
Second quarter	0.29		78
First quarter	0.29		78
Total	$	1.16	$	310

In addition, in April 2018, the Board of Directors declared a regular quarterly cash dividend of $0.22 per ordinary share, payable May 23, 2018 to shareholders of record at the close of business on May 9, 2018.

Other

On December 4, 2017, Aptiv distributed the issued and outstanding ordinary shares of Delphi Technologies to the Company's shareholders. The Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Shareholders received cash in lieu of any fractional ordinary shares of Delphi Technologies.

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Changes in Accumulated Other Comprehensive Income

3 Months Ended

Mar. 31, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Changes in Accumulated Other Comprehensive Income

CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The changes in accumulated other comprehensive income (loss) attributable to Aptiv (net of tax) for the three months endedMarch 31, 2018 and 2017 are shown below. Prior period other comprehensive income includes activity relating to discontinued operations.

	Three Months Ended March 31,
	2018			2017
	(in millions)
Foreign currency translation adjustments:
Balance at beginning of period	$	(369	)	$	(799	)
Aggregate adjustment for the period (1)	57			85
Balance at end of period	(312		)	(714		)
Gains (losses) on derivatives:
Balance at beginning of period	4			(11		)
Other comprehensive income before reclassifications (net tax effect of $4 and $15)	(18		)	26
Reclassification to income (net tax effect of $1 and $9)	(5		)	13
Balance at end of period	(19		)	28
Pension and postretirement plans:
Balance at beginning of period	(106		)	(405		)
Other comprehensive income before reclassifications (net tax effect of $1 and $3)	(3		)	(3		)
Reclassification to income (net tax effect of $0 and $2)	4			7
Balance at end of period	(105		)	(401		)
Accumulated other comprehensive loss, end of period	$	(436	)	$	(1,087	)

(1) Includes losses of $37 million and $30 million for the three months endedMarch 31, 2018 and 2017, respectively, related to non-derivative net investment hedges, principally offset by the foreign currency impact of intra-entity loans that are of a long-term investment nature in each period. Refer to Note 14. Derivatives and Hedging Activities for further description of these hedges.

Reclassifications from accumulated other comprehensive income (loss) to income for the three months endedMarch 31, 2018 and 2017 were as follows:

Reclassification Out of Accumulated Other Comprehensive Income (Loss)
Details About Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement of Operations
	2018			2017
	(in millions)
Gains (losses) on derivatives:
Commodity derivatives	$	9		$	1		Cost of sales
Foreign currency derivatives	(5		)	(23		)	Cost of sales
	4			(22		)	Income before income taxes
	1			9			Income tax expense
	5			(13		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	5		$	(13	)	Net income attributable to Aptiv
Pension and postretirement plans:
Actuarial losses	$	(4	)	$	(9	)	Other income (expense), net (1)
	(4		)	(9		)	Income before income taxes
	—			2			Income tax expense
	(4		)	(7		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	(4	)	$	(7	)	Net income attributable to Aptiv
Total reclassifications for the period	$	1		$	(20	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 9. Pension Benefits for additional details).

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Derivatives And Hedging Activities

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

DERIVATIVES AND HEDGING ACTIVITIES

Cash Flow Hedges

Aptiv is exposed to market risk, such as fluctuations in foreign currency exchange rates, commodity prices and changes in interest rates, which may result in cash flow risks. To manage the volatility relating to these exposures, Aptiv aggregates the exposures on a consolidated basis to take advantage of natural offsets. For exposures that are not offset within its operations, Aptiv enters into various derivative transactions pursuant to its risk management policies, which prohibit holding or issuing derivative financial instruments for speculative purposes, and designation of derivative instruments is performed on a transaction basis to support hedge accounting. The changes in fair value of these hedging instruments are offset in part or in whole by corresponding changes in the fair value or cash flows of the underlying exposures being hedged. Aptiv assesses the initial and ongoing effectiveness of its hedging relationships in accordance with its documented policy.

As of March 31, 2018, the Company had the following outstanding notional amounts related to commodity and foreign currency forward and option contracts designated as cash flow hedges that were entered into to hedge forecasted exposures:

Commodity	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in thousands)		(in millions)
Copper	74,845	pounds	$	230

Foreign Currency	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in millions)
Mexican Peso	12,078	MXN	$	660
Chinese Yuan Renminbi	2,192	RMB	350
Polish Zloty	321	PLN	95
New Turkish Lira	145	TRY	35

The Company had additional foreign currency forward contracts designated as cash flow hedges with notional amounts that individually amounted to less than $10 million. As of March 31, 2018, Aptiv has entered into derivative instruments to hedge cash flows extending out to March 2020.

Gains and losses on derivatives qualifying as cash flow hedges are recorded in other comprehensive income ("OCI"), to the extent that hedges are effective, until the underlying transactions are recognized in earnings. Unrealized amounts in accumulated OCI will fluctuate based on changes in the fair value of hedge derivative contracts at each reporting period. Net gains on cash flow hedges included in accumulated OCI as of March 31, 2018 were $3 million ($13 million, net of tax), which are expected to be included in cost of sales within the next 12 months. Cash flow hedges are discontinued when Aptiv determines it is no longer probable that the originally forecasted transactions will occur. The amount included in cost of sales related to hedge ineffectiveness was insignificant for the three months endedMarch 31, 2018 and 2017. Cash flows from derivatives used to manage commodity and foreign exchange risks are classified as operating activities within the consolidated statement of cash flows.

Net Investment Hedges

The Company is also exposed to the risk that adverse changes in foreign currency exchange rates could impact its net investment in non-U.S. subsidiaries. To manage this risk, the Company designates certain qualifying derivative and non-derivative instruments, including foreign currency forward contracts and foreign currency-denominated debt, as net investment hedges of certain non-U.S. subsidiaries. The effective portion of the gains or losses on instruments designated as net investment hedges are recognized within OCI to offset changes in the value of the net investment in these foreign currency-denominated operations. Any ineffective portion of gains or losses on net investment hedges are reclassified to other income (expense), net within the consolidated statement of operations. Gains and losses reported in accumulated other comprehensive income (loss) are reclassified to earnings only when the related currency translation adjustments are required to be reclassified, usually upon sale or liquidation of the investment. Cash flows from derivatives designated as net investment hedges are classified as investing activities within the consolidated statement of cash flows.

Since the first quarter of 2016, the Company has entered into a series of forward contracts, each of which have been designated as net investment hedges of the foreign currency exposure of the Company's investments in certain Chinese Yuan Renminbi ("RMB")-denominated subsidiaries. In December 2016, the Company entered into a forward contract with a notional amount of 1.8 billion RMB (approximately $265 million, using December 31, 2016 foreign currency rates), which matured in June 2017, and the Company paid $12 million at settlement. In June 2017, the Company entered into a forward contract with a notional amount of 2.4 billion RMB (approximately $345 million, using June 30, 2017 foreign currency rates), which matured in December 2017, and the Company paid $16 million at settlement. In December 2017, the Company entered into a forward contract with a notional amount of 1.9 billion RMB (approximately $290 million, using December 31, 2017 foreign currency rates), which matures in June 2018. Refer to the tables below for details of the fair value recorded in the consolidated balance sheet and the effects recorded in the consolidated statement of operations and consolidated statement of comprehensive income related to these derivative instruments.

The Company has designated the €700 million 2015 Euro-denominated Senior Notes and the €500 million 2016 Euro-denominated Senior Notes, as more fully described in Note 8. Debt, as net investment hedges of the foreign currency exposure of its investments in certain Euro-denominated subsidiaries. Due to changes in the value of the Euro-denominated debt instruments designated as net investment hedges, during the three months endedMarch 31, 2018 and 2017, $37 million and $30 million, respectively, of losses were recognized within the cumulative translation adjustment component of OCI. Cumulative losses included in accumulated OCI on these net investment hedges were $154 million as of March 31, 2018 and $117 million as of December 31, 2017. There were no amounts reclassified or recognized for ineffectiveness during the three months endedMarch 31, 2018 or 2017.

Derivatives Not Designated as Hedges

In certain occasions the Company enters into certain foreign currency and commodity contracts that are not designated as hedges. When hedge accounting is not applied to derivative contracts, gains and losses are recorded to other income (expense), net and cost of sales in the consolidated statement of operations.

As more fully disclosed in Note 17. Acquisitions and Divestitures, on February 28, 2018, Aptiv agreed to acquire KUM. In conjunction with the proposed acquisition, in March 2018, the Company entered into forward contracts, requiring no initial net investment, with notional amounts totaling 559 billion South Korean Won ("KRW") (approximately $520 million using March 1, 2018 foreign currency rates) to hedge portions of the currency risk associated with the cash payment for the acquisition. Pursuant to the requirements of ASC 815, Derivatives and Hedging, the forwards do not qualify as hedges for accounting purposes, and therefore, changes in the fair value of the forwards are recognized in other income (expense), net. The forwards expire in the third quarter of 2018. During the three months endedMarch 31, 2018, the change in fair value resulted in a pre-tax gain of $11 million included within other income (expense), net in the consolidated statement of operations.

Fair Value of Derivative Instruments in the Balance Sheet

The fair value of derivative financial instruments recorded in the consolidated balance sheets as of March 31, 2018 and December 31, 2017 are as follows:

	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	March 31, 2018		Balance Sheet Location	March 31, 2018		March 31, 2018
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	9	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	22		Other current assets	8		$	14
Foreign currency derivatives*	Accrued liabilities	3		Accrued liabilities	15		(12		)
Foreign currency derivatives*	Other long-term assets	2		Other long-term assets	—		2
Foreign currency derivatives*	Other long-term liabilities	3		Other long-term liabilities	8		(5		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	18
Total derivatives designated as hedges		$	39		$	49
Derivatives not designated:
Foreign currency derivatives*	Other current assets	$	11	Other current assets	$	—	11
Total derivatives not designated as hedges		$	11		$	—

	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	December 31, 2017		Balance Sheet Location	December 31, 2017		December 31, 2017
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	27	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	3		Other current assets	—		$	3
Foreign currency derivatives*	Accrued liabilities	7		Accrued liabilities	17		(10		)
Commodity derivatives	Other long-term assets	8		Other long-term liabilities	—
Foreign currency derivatives*	Other long-term liabilities	—		Other long-term liabilities	11		(11		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	5
Total derivatives designated as hedges		$	45		$	33

* Derivative instruments within this category are subject to master netting arrangements and are presented on a net basis in the consolidated balance sheets in accordance with accounting guidance related to the offsetting of amounts related to certain contracts.

The fair value of Aptiv’s derivative financial instruments was in a net asset position as of March 31, 2018 and December 31, 2017.

Effect of Derivatives on the Statement of Operations and Statement of Comprehensive Income

The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2018 is as follows:

Three Months Ended March 31, 2018	(Loss) Gain Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	(17	)	$	9		$	—
Foreign currency derivatives	16			(5		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(13		)	—			—
Total	$	(14	)	$	4		$	—

	Gain Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	10
Total	$	10

The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2017 is as follows:

Three Months Ended March 31, 2017	Gain (Loss) Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	9		$	1		$	—
Foreign currency derivatives	42			(23		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(10		)	—			—
Total	$	41		$	(22	)	$	—

	Loss Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	(4	)
Total	$	(4	)

The gain or loss reclassified from OCI into income for the effective portion of designated derivative instruments and the gain or loss recognized in income for the ineffective portion of designated derivative instruments excluded from effectiveness testing were recorded to other income (expense), net and cost of sales in the consolidated statements of operations for the three months endedMarch 31, 2018 and 2017. The gain or loss recognized in income for non-designated derivative instruments was recorded to other income (expense), net and cost of sales in the consolidated statements of operations for the three months endedMarch 31, 2018 and 2017.

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Fair Value Of Financial Instruments

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

FAIR VALUE OF FINANCIAL INSTRUMENTS

Fair Value Measurements on a Recurring Basis

Derivative instruments—All derivative instruments are required to be reported on the balance sheet at fair value unless the transactions qualify and are designated as normal purchases or sales. Changes in fair value are reported currently through earnings unless they meet hedge accounting criteria. Aptiv’s derivative exposures are with counterparties with long-term investment grade credit ratings. Aptiv estimates the fair value of its derivative contracts using an income approach based on valuation techniques to convert future amounts to a single, discounted amount. Estimates of the fair value of foreign currency and commodity derivative instruments are determined using exchange traded prices and rates. Aptiv also considers the risk of non-performance in the estimation of fair value, and includes an adjustment for non-performance risk in the measure of fair value of derivative instruments. The non-performance risk adjustment reflects the credit default spread (“CDS”) applied to the net commodity by counterparty and foreign currency exposures by counterparty. When Aptiv is in a net derivative asset position, the counterparty CDS rates are applied to the net derivative asset position. When Aptiv is in a net derivative liability position, estimates of peer companies’ CDS rates are applied to the net derivative liability position.

In certain instances where market data is not available, Aptiv uses management judgment to develop assumptions that are used to determine fair value. This could include situations of market illiquidity for a particular currency or commodity or where observable market data may be limited. In those situations, Aptiv generally surveys investment banks and/or brokers and utilizes the surveyed prices and rates in estimating fair value.

As of March 31, 2018 and December 31, 2017, Aptiv was in a net derivative asset position of $1 million and $12 million, respectively, and no significant adjustments were recorded for nonperformance risk based on the application of peer companies’ CDS rates, evaluation of our own nonperformance risk and because Aptiv’s exposures were to counterparties with investment grade credit ratings. Refer to Note 14. Derivatives and Hedging Activities for further information regarding derivatives.

Contingent consideration—As described in Note 17. Acquisitions and Divestitures, as of March 31, 2018, additional contingent consideration may be earned as a result of Aptiv's acquisition agreements for nuTonomy, Inc. ("nuTonomy"), Movimento Group ("Movimento"), Control-Tec LLC ("Control-Tec") and Ottomatika, Inc. ("Ottomatika"). The liability for contingent consideration is estimated as of the date of the acquisition and is recorded as part of the purchase price, and is subsequently re-measured to fair value at each reporting date, based on a probability-weighted discounted cash flow analysis using a rate that reflects the uncertainty surrounding the expected outcomes, which the Company believes is appropriate and representative of market participant assumptions. The measurement of the liability for contingent consideration is based on significant inputs that are not observable in the market, and is therefore classified as a Level 3 measurement in accordance with ASU Topic 820-10-35. Examples of utilized unobservable inputs are estimated future earnings of the acquired businesses and applicable discount rates. The estimate of the liability may fluctuate if there are changes in the forecast of the acquired businesses' future earnings, as a result of actual earnings levels achieved or in the discount rates used to determine the present value of contingent future cash flows. As of March 31, 2018, the range of periods in which the earn-out provisions may be achieved is from 2018 to 2020. The Company regularly reviews these assumptions and makes adjustments to the fair value measurements as required by facts and circumstances.

As of March 31, 2018 and December 31, 2017, the liability for contingent consideration was $33 million (of which $8 million was classified within other current liabilities and $25 million was classified within other long-term liabilities) and $33 million (of which $7 million was classified within other current liabilities and $26 million was classified within other long-term liabilities). Adjustments to this liability for interest accretion are recognized in interest expense, and any other changes in the fair value of this liability are recognized within other income (expense), net in the consolidated statement of operations.

The changes in the contingent consideration liability classified as a Level 3 measurement for the three months endedMarch 31, 2018 were as follows:

	Contingent Consideration Liability
	(in millions)
Fair value at beginning of period	$	33
Additions	—
Payments	—
Interest accretion	—
Fair value at end of period	$	33

During the three months endedMarch 31, 2017, the Company paid $20 million of contingent consideration based on the actual level of earnings of the acquired businesses during the contractual earn-out period.

As of March 31, 2018 and December 31, 2017, Aptiv had the following assets measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Commodity derivatives	$	9	$	—	$	9	$	—
Foreign currency derivatives	27		—		27		—
Total	$	36	$	—	$	36	$	—
As of December 31, 2017:
Commodity derivatives	$	35	$	—	$	35	$	—
Foreign currency derivatives	3		—		3		—
Total	$	38	$	—	$	38	$	—

As of March 31, 2018 and December 31, 2017, Aptiv had the following liabilities measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Foreign currency derivatives	$	35	$	—	$	35	$	—
Contingent consideration	33		—		—		33
Total	$	68	$	—	$	35	$	33
As of December 31, 2017:
Foreign currency derivatives	$	26	$	—	$	26	$	—
Contingent consideration	33		—		—		33
Total	$	59	$	—	$	26	$	33

Non-derivative financial instruments—Aptiv's non-derivative financial instruments include cash and cash equivalents, accounts and notes receivable, accounts payable, as well as debt, which consists of its accounts receivable factoring arrangement, capital leases and other debt issued by Aptiv’s non-U.S. subsidiaries, the Revolving Credit Facility, the Tranche A Term Loan and all series of outstanding senior notes. The fair value of debt is based on quoted market prices for instruments with public market data or significant other observable inputs for instruments without a quoted public market price (Level 2). As of March 31, 2018 and December 31, 2017, total debt was recorded at $4,223 million and $4,149 million, respectively, and had estimated fair values of $4,272 million and $4,289 million, respectively. For all other financial instruments recorded at March 31, 2018 and December 31, 2017, fair value approximates book value.

Fair Value Measurements on a Nonrecurring Basis

In addition to items that are measured at fair value on a recurring basis, Aptiv also has items in its balance sheet that are measured at fair value on a nonrecurring basis. As these items are not measured at fair value on a recurring basis, they are not included in the tables above. Nonfinancial assets and liabilities that are measured at fair value on a nonrecurring basis include certain long-lived assets, equity investments, intangible assets, asset retirement obligations, share-based compensation and liabilities for exit or disposal activities measured at fair value upon initial recognition. During the three months endedMarch 31, 2018, Aptiv recorded no non-cash asset impairment charges. During the three months endedMarch 31, 2017, Aptiv recorded non-cash asset impairment charges totaling $1 million within cost of sales related to declines in the fair values of certain fixed assets. Fair value of long-lived assets is determined primarily using the anticipated cash flows discounted at a rate commensurate with the risk involved and a review of appraisals. As such, Aptiv has determined that the fair value measurements of long-lived assets fall in Level 3 of the fair value hierarchy.

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Other Income, Net

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

Other Income, Net

OTHER INCOME, NET

Other income (expense), net included:

	Three Months Ended March 31,
	2018			2017
	(in millions)
Interest income	$	5		$	1
Components of net periodic benefit cost other than service cost (Note 9)	(6		)	(4		)
Reserve for Unsecured Creditors litigation	—			(27		)
Benefits (costs) associated with acquisitions	11			—
Other, net	20			7
Other income (expense), net	$	30		$	(23	)

As further discussed in Note 14. Derivatives and Hedging Activities, during the three months endedMarch 31, 2018, the Company recorded a gain of $11 million on forward contracts entered into in order to hedge portions of the currency risk associated with the cash payment for the proposed acquisition of KUM, which is reflected within Benefits (costs) associated with acquisitions in the above table. Also, as further discussed in Note 21. Discontinued Operations, during the three months endedMarch 31, 2018, Aptiv recorded $3 million for certain fees earned pursuant to the transition services agreement in connection with the Separation of the Company's former Powertrain Systems segment.

As further discussed in Note 10. Commitments and Contingencies, during the three months ended March 31, 2017, Aptiv recorded an incremental reserve of $27 million as a result of a ruling in the Unsecured Creditors litigation related to pre-judgment interest, which was in addition to the Company's previously recorded reserve of $300 million to other expense during the year ended December 31, 2016 related to this matter.

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Acquisitions And Divestitures

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Acquisitions and Divestitures

ACQUISITIONS AND DIVESTITURES

Acquisition of KUM LLC

On February 28, 2018, Aptiv agreed to acquire KUM LLC ("KUM"), a specialized manufacturer of connectors for the automotive industry, for total consideration of approximately $500 million. The acquisition is subject to the satisfaction of customary closing conditions and the receipt of regulatory and other approvals, and is expected to close mid-2018. The Company intends to acquire KUM utilizing cash on hand. Upon completion, KUM will become part of the Signal and Power Solutions segment.

Acquisition of nuTonomy, Inc.

On November 21, 2017, Aptiv acquired 100% of the equity interests of nuTonomy, Inc. ("nuTonomy"), a leading provider of autonomous driving software and technology, for total consideration of up to $454 million. Of the total consideration, $284 million of the purchase price is payable at closing, subject to certain post-closing adjustments. An additional $109 million of the purchase price will vest to certain selling shareholders in annual installments over a three-year period from the acquisition date, subject to such shareholders' compliance with certain employment conditions. Of the $109 million, approximately $7 million is payable after one year and approximately $51 million is payable after each of the second and third years following the acquisition date. These remaining installments will be recorded as a component of cost of sales ratably over the respective installment period.

Additionally, the total consideration includes a cash payment of up to $54 million contingent upon the achievement of certain performance metrics over a future three-year period. The range of the undiscounted amounts the Company could be required to pay under this arrangement is between $0 and $54 million. As of the closing date of the acquisition, the contingent consideration was assigned a fair value of approximately $24 million. Refer to Note 15. Fair Value of Financial Instruments for additional information regarding the measurement of the contingent consideration liability. The results of operations of nuTonomy are reported within the Advanced Safety and User Experience segment from the date of acquisition. The Company acquired nuTonomy utilizing cash on hand.

The acquisition was accounted for as a business combination, with the total purchase price allocated on a preliminary basis using information available, in the fourth quarter of 2017. The purchase price and related allocation to the acquired net assets of nuTonomy based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	284
Purchase price, fair value of contingent consideration	24
Total purchase price, net of cash acquired	$	308
Intangible assets	$	102
Other liabilities, net	(40		)
Identifiable net assets acquired	62
Goodwill resulting from purchase	246
Total purchase price allocation	$	308

Goodwill recognized in this transaction is primarily attributable to synergies expected to arise after the acquisition from future growth and potential commercialization opportunities. Intangible assets include $102 million of in-process research and development, which will not be amortized, but tested for impairment until the completion or abandonment of the associated research and development efforts. The estimated fair value of these assets was based on third-party valuations and management's estimates, generally utilizing income and market approaches.

The purchase price and related allocation are preliminary and could be revised as a result of adjustments made to the purchase price, additional information obtained regarding liabilities assumed, including, but not limited to, contingent liabilities, revisions of provisional estimates of fair values, including, but not limited to, the completion of independent appraisals and valuations related to property, plant and equipment and intangible assets, and certain tax attributes.

The pro forma effects of this acquisition would not materially impact the Company's reported results for any period presented, and as a result no pro forma financial statements were presented.

Acquisition of Movimento Group

On January 3, 2017, Aptiv acquired 100% of the equity interests of Movimento Group ("Movimento"), a leading provider of Over-the-Air software and data management for the automotive sector, for a purchase price of $40 million at closing and an additional cash payment of up to $10 million contingent upon the achievement of certain performance metrics over a future 2-year period. The range of the undiscounted amounts the Company could be required to pay under this arrangement is between $0 and $10 million. As of the closing date of the acquisition, the contingent consideration was assigned a fair value of approximately $8 million. Refer to Note 15. Fair Value of Financial Instruments for additional information regarding the measurement of the contingent consideration liability. The results of operations of Movimento are reported within the Advanced Safety and User Experience segment from the date of acquisition. The Company acquired Movimento utilizing cash on hand.

The acquisition was accounted for as a business combination, with the total purchase price allocated on a preliminary basis using information available, in the first quarter of 2017. The purchase price and related allocation were finalized in the first quarter of 2018, and resulted in no adjustments from the amounts previously disclosed. The purchase price and related allocation to the acquired net assets of Movimento based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	40
Purchase price, fair value of contingent consideration	8
Total purchase price, net of cash acquired	$	48
Intangible assets	$	22
Other liabilities, net	(2		)
Identifiable net assets acquired	20
Goodwill resulting from purchase	28
Total purchase price allocation	$	48

Intangible assets include $8 million recognized for the fair value of the acquired trade name, which has an estimated useful life of approximately 25 years, $4 million of customer-based and technology-related assets with estimated useful lives of approximately 7 years, and $10 million of in-process research and development, which will not be amortized, but tested for impairment until the completion or abandonment of the associated research and development efforts. The estimated fair value of these assets was based on third-party valuations and management's estimates, generally utilizing income and market approaches.

The pro forma effects of this acquisition would not materially impact the Company's reported results for any period presented, and as a result no pro forma financial statements were presented.

Technology Investments

The Company has made technology investments in certain non-consolidated affiliates for ownership interests of less than 20%, which are accounted for in accordance with ASU 2016-01, as described in Note 2. Significant Accounting Policies.

During the first quarter of 2017, the Company's Advanced Safety and User Experience segment made a $15 million investment in Otonomo Technologies Ltd., the developer of a connected car data marketplace.

As of March 31, 2018, the Company had the following technology investments, which are classified within other long-term assets in the consolidated balance sheet:

Investment Name	Segment	Investment Date	Investment (in millions)
Innoviz Technologies	Advanced Safety and User Experience	Q3 2017	$	15
LeddarTech, Inc.	Advanced Safety and User Experience	Q3 2017	10
Valens Semiconductor Ltd.	Signal and Power Solutions	Q2 2017	10
Otonomo Technologies Ltd.	Advanced Safety and User Experience	Q1 2017	15
Quanergy Systems, Inc	Advanced Safety and User Experience	Q2 2015; Q1 2016	6
			$	56

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Share-Based Compensation

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Share-Based Compensation

SHARE-BASED COMPENSATION

Long Term Incentive Plan

The Aptiv PLC Long-Term Incentive Plan, as amended and restated effective April 23, 2015 (the “PLC LTIP”), allows for the grant of awards of up to 25,665,448 ordinary shares for long-term compensation. The PLC LTIP is designed to align the interests of management and shareholders. The awards can be in the form of shares, options, stock appreciation rights, restricted stock, restricted stock units ("RSUs"), performance awards, and other share-based awards to the employees, directors, consultants and advisors of the Company. The Company has awarded annual long-term grants of RSUs under the PLC LTIP in each year from 2012 to 2018 in order to align management compensation with Aptiv's overall business strategy. The Company has competitive and market-appropriate ownership requirements. All of the RSUs granted under the PLC LTIP are eligible to receive dividend equivalents for any dividend paid from the grant date through the vesting date. Dividend equivalents are generally paid out in ordinary shares upon vesting of the underlying RSUs. Historical amounts disclosed within this note include amounts attributable to the Company's discontinued operations, unless otherwise noted, and for activity prior to December 4, 2017 represent awards based on shares of Delphi Automotive PLC.

In connection with the Separation, the Company made adjustments to the number of unvested RSUs with the intention of preserving the intrinsic value of the recipient's awards prior to the Separation. Accordingly, the number of RSUs underlying each unvested award outstanding as of the date of the Separation was multiplied by a factor of 1.17, and the related grant date fair value was divided by a factor of 1.17, which resulted in no increase in the intrinsic value of awards outstanding. The RSUs continue to vest in accordance with their original vesting period. These adjustments to the Company’s share-based compensation awards did not result in additional compensation expense.

RSUs that were held by employees who transferred to Delphi Technologies in connection with the Separation were canceled and replaced by awards issued by Delphi Technologies. Employees remaining with the Company did not receive share-based compensation awards of Delphi Technologies as a result of the spin-off. Except for the conversion of awards, the material terms of the awards remained unchanged.

Board of Director Awards

On April 28, 2016, Aptiv granted 27,238 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 28, 2016. The RSUs vested on April 26, 2017, and 26,580 ordinary shares, which included shares issued in connection with dividend equivalents, were issued to members of the Board of Directors at a fair value of approximately $2 million. 3,472 ordinary shares were withheld to cover the minimum withholding taxes.

On April 27, 2017, Aptiv granted 26,782 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 27, 2017. The RSUs vested on April 25, 2018, and 24,642 ordinary shares, which included shares issued in connection with dividend equivalents, were issued to members of the Board of Directors at a fair value of approximately $2 million. 2,649 ordinary shares were withheld to cover the minimum withholding taxes.

On April 26, 2018, Aptiv granted 22,676 RSUs to the Board of Directors at a grant date fair value of approximately $2 million. The grant date fair value was determined based on the closing price of the Company's ordinary shares on April 26, 2018. The RSUs will vest on April 24, 2019, the day before the 2019 annual meeting of shareholders.

Executive Awards

Aptiv has made annual grants of RSUs to its executives in February of each year beginning in 2012. These awards include a time-based vesting portion and a performance-based vesting portion, as well as continuity awards in certain years. The time-based RSUs, which make up 25% of the awards for Aptiv’s officers and 50% for Aptiv’s other executives, vest ratably over three years beginning on the first anniversary of the grant date. The performance-based RSUs, which make up 75% of the awards for Aptiv’s officers and 50% for Aptiv's other executives, vest at the completion of a three-year performance period if certain targets are met. Each executive will receive between 0% and 200% of his or her target performance-based award based on the Company’s performance against established company-wide performance metrics, which are:

Metric	2016 - 2018 Grants	2014 - 2015 Grants
Average return on net assets (1)	50%	50%
Cumulative net income	25%	N/A
Cumulative earnings per share (2)	N/A	30%
Relative total shareholder return (3)	25%	20%

(1) Average return on net assets is measured by tax-affected operating income divided by average net working capital plus average net property, plant and equipment for each calendar year during the respective performance period.

(2) Cumulative earnings per share is measured by net income attributable to Aptiv divided by the weighted average number of diluted shares outstanding for the respective three-year performance period.

(3) Relative total shareholder return is measured by comparing the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the end of the performance period to the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the year preceding the grant, including dividends, and assessed against a comparable measure of competitor and peer group companies.

The details of the executive grants were as follows:

Grant Date	RSUs Granted	Grant Date Fair Value		Time-Based Award Vesting Dates	Performance-Based Award Vesting Date
	(in millions)
February 2014	0.78	$	53	Annually on anniversary of grant date, 2015 - 2017	December 31, 2016
February 2015	0.90	76		Annually on anniversary of grant date, 2016 - 2018	December 31, 2017
February 2016	0.71	48		Annually on anniversary of grant date, 2017 - 2019	December 31, 2018
February 2017	0.80	63		Annually on anniversary of grant date, 2018 - 2020	December 31, 2019
February 2018	0.63	61		Annually on anniversary of grant date, 2019 - 2021	December 31, 2020

Any new executives hired after the annual executive RSU grant date may be eligible to participate in the PLC LTIP. Any off cycle grants made for new hires are valued at their grant date fair value based on the closing price of the Company's ordinary shares on the date of such grant.

The grant date fair value of the RSUs is determined based on the target number of awards issued, the closing price of the Company’s ordinary shares on the date of the grant of the award, including an estimate for forfeitures, and a contemporaneous valuation performed by an independent valuation specialist with respect to the relative total shareholder return awards.

In February 2017, under the time-based vesting terms of the 2014, 2015 and 2016 grants, 248,008 ordinary shares were issued to Aptiv executives at a fair value of approximately $19 million, of which 88,807 ordinary shares were withheld to cover minimum withholding taxes. The performance-based RSUs associated with the 2014 grant vested at the completion of a three-year performance period on December 31, 2016, and in the first quarter of 2017, 797,210 ordinary shares were issued to executives at a fair value of approximately $60 million, of which 324,555 ordinary shares were withheld to cover minimum withholding taxes.

In February 2018, under the time-based vesting terms of the 2015, 2016 and 2017 grants, 285,344 ordinary shares were issued to Aptiv executives at a fair value of approximately $26 million, of which 102,045 ordinary shares were withheld to cover minimum withholding taxes. The performance-based RSUs associated with the 2015 grant vested at the completion of a three-year performance period on December 31, 2017, and in the first quarter of 2018, 640,239 ordinary shares were issued to executives at a fair value of approximately $59 million, of which 240,483 ordinary shares were withheld to cover minimum withholding taxes.

A summary of RSU activity, including award grants, vesting and forfeitures is provided below:

	RSUs		Weighted Average Grant Date Fair Value
	(in thousands)
Nonvested, January 1, 2018	1,807		$	68.66
Granted	690		96.35
Vested	(279	)	64.18
Forfeited	(45	)	66.70
Nonvested, March 31, 2018	2,173		78.00

Aptiv recognized compensation expense from continuing operations of $13 million ($12 million, net of tax) and $13 million ($11 million, net of tax) based on the Company’s best estimate of ultimate performance against the respective targets during the three months endedMarch 31, 2018 and 2017, respectively. Aptiv will continue to recognize compensation expense, based on the grant date fair value of the awards applied to the Company’s best estimate of ultimate performance against the respective targets, over the requisite vesting periods of the awards. Based on the grant date fair value of the awards and the Company’s best estimate of ultimate performance against the respective targets as of March 31, 2018, unrecognized compensation expense on a pre-tax basis of approximately $120 million is anticipated to be recognized over a weighted average period of approximately 2 years. For the three months endedMarch 31, 2018 and 2017, respectively, approximately $32 million and $26 million of cash was paid and reflected as a financing activity in the statements of cash flows related to the minimum statutory tax withholding for vested RSUs.

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Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements

3 Months Ended

Mar. 31, 2018

Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements [Abstract]

Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements

SUPPLEMENTAL GUARANTOR AND NON-GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS

Basis of Presentation

Notes Issued by the Subsidiary Issuer

As described in Note 8. Debt, Delphi Corporation (the "Subsidiary Issuer/Guarantor"), a 100% owned subsidiary of Aptiv PLC (the "Parent"), issued the 2014 Senior Notes, which were registered under the Securities Act, and is the borrower of obligations under the Credit Agreement. The 2014 Senior Notes and obligations under the Credit Agreement are fully and unconditionally guaranteed by Aptiv PLC and certain of Aptiv PLC's direct and indirect subsidiary companies, which are directly or indirectly 100% owned by Aptiv PLC (the “Subsidiary Guarantors”), on a joint and several basis, subject to customary release provisions (other than in the case of Aptiv PLC). All other consolidated direct and indirect subsidiaries of Aptiv PLC are not subject to the guarantees (“Non-Guarantor Subsidiaries”).

Notes Issued by the Parent

As described in Note 8. Debt, Aptiv PLC issued the 2015 Senior Notes, the 2015 Euro-denominated Senior Notes, the 2016 Euro-denominated Senior Notes and the 2016 Senior Notes, each of which were registered under the Securities Act. Each series of these senior notes are fully and unconditionally guaranteed on a joint and several basis, subject to customary release provisions, by certain of Aptiv PLC's direct and indirect subsidiary companies (the “Subsidiary Guarantors”), and Delphi Corporation, each of which are directly or indirectly 100% owned by Aptiv PLC. All other consolidated direct and indirect subsidiaries of Aptiv PLC are not subject to the guarantees (“Non-Guarantor Subsidiaries”).

In lieu of providing separate audited financial statements for the Guarantors, the Company has included the accompanying condensed consolidating financial statements. These condensed consolidating financial statements are presented using the equity method. Under this method, the investments in subsidiaries are recorded at cost and adjusted for the Parent’s share of the subsidiary’s cumulative results of operations, capital contributions and distributions and other equity changes. The Non-Guarantor Subsidiaries are combined in the condensed consolidating financial statements. The principal elimination entries are to eliminate the investments in subsidiaries and intercompany balances and transactions.

Statement of Operations Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,630		$	—		$	3,630
Operating expenses:
Cost of sales	—			—			—			2,947			—			2,947
Selling, general and administrative	(4		)	—			—			263			—			259
Amortization	—			—			—			30			—			30
Restructuring	—			—			—			20			—			20
Total operating expenses	(4		)	—			—			3,260			—			3,256
Operating income	4			—			—			370			—			374
Interest (expense) income	(61		)	(7		)	(43		)	(1		)	78			(34		)
Other income (expense), net	—			—			—			108			(78		)	30
(Loss) income from continuing operations before income taxes and equity income	(57		)	(7		)	(43		)	477			—			370
Income tax benefit (expense)	—			—			10			(69		)	—			(59		)
(Loss) income from continuing operations before equity income	(57		)	(7		)	(33		)	408			—			311
Equity in net income of affiliates	—			—			—			5			—			5
Equity in net income (loss) of subsidiaries	364			356			(8		)	—			(712		)	—
Income (loss) from continuing operations	307			349			(41		)	413			(712		)	316
Income from discontinued operations, net of tax	—			—			—			—			—			—
Net income (loss)	307			349			(41		)	413			(712		)	316
Net income attributable to noncontrolling interest	—			—			—			9			—			9
Net income (loss) attributable to Aptiv	$	307		$	349		$	(41	)	$	404		$	(712	)	$	307

Statement of Operations Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,143		$	—		$	3,143
Operating expenses:
Cost of sales	—			—			—			2,544			—			2,544
Selling, general and administrative	6			—			—			219			—			225
Amortization	—			—			—			29			—			29
Restructuring	—			—			—			52			—			52
Total operating expenses	6			—			—			2,844			—			2,850
Operating (loss) income	(6		)	—			—			299			—			293
Interest (expense) income	(59		)	(3		)	(43		)	(1		)	73			(33		)
Other income (expense), net	—			10			1			39			(73		)	(23		)
(Loss) income from continuing operations before income taxes and equity income	(65		)	7			(42		)	337			—			237
Income tax benefit (expense)	—			—			15			(34		)	—			(19		)
(Loss) income from continuing operations before equity income	(65		)	7			(27		)	303			—			218
Equity in net income of affiliates	—			—			—			11			—			11
Equity in net income (loss) of subsidiaries	400			377			(30		)	—			(747		)	—
Income (loss) from continuing operations	335			384			(57		)	314			(747		)	229
Income from discontinued operations, net of tax	—			—			—			123			—			123
Net income (loss)	335			384			(57		)	437			(747		)	352
Net income attributable to noncontrolling interest	—			—			—			17			—			17
Net income (loss) attributable to Aptiv	$	335		$	384		$	(57	)	$	420		$	(747	)	$	335

Statement of Comprehensive Income Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net income (loss)	$	307		$	349		$	(41	)	$	413		$	(712	)	$	316
Other comprehensive (loss) income:
Currency translation adjustments	(37		)	—			—			98			—			61
Net change in unrecognized loss on derivative instruments, net of tax	—			—			—			(23		)	—			(23		)
Employee benefit plans adjustment, net of tax	—			—			—			1			—			1
Other comprehensive (loss) income	(37		)	—			—			76			—			39
Equity in other comprehensive income (loss) of subsidiaries	72			(66		)	21			—			(27		)	—
Comprehensive income (loss)	342			283			(20		)	489			(739		)	355
Comprehensive income attributable to noncontrolling interests	—			—			—			13			—			13
Comprehensive income (loss) attributable to Aptiv	$	342		$	283		$	(20	)	$	476		$	(739	)	$	342

Statement of Comprehensive Income Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
Net income (loss)	$	335		$	384	$	(57	)	$	437	$	(747	)	$	352
Other comprehensive (loss) income:
Currency translation adjustments	(30		)	—		—			116		—			86
Net change in unrecognized gain on derivative instruments, net of tax	—			—		—			39		—			39
Employee benefit plans adjustment, net of tax	—			—		—			4		—			4
Other comprehensive (loss) income	(30		)	—		—			159		—			129
Equity in other comprehensive income (loss) of subsidiaries	158			29		48			—		(235		)	—
Comprehensive income (loss)	463			413		(9		)	596		(982		)	481
Comprehensive income attributable to noncontrolling interests	—			—		—			18		—			18
Comprehensive income (loss) attributable to Aptiv	$	463		$	413	$	(9	)	$	578	$	(982	)	$	463

Balance Sheet as of March 31, 2018

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	2	$	—	$	—	$	1,343	$	—		$	1,345
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,646		—			2,646
Intercompany receivables, current	52		15		1,707		10,211		(11,985		)	—
Inventories	—		—		—		1,202		—			1,202
Other current assets	—		—		—		732		—			732
Total current assets	54		15		1,707		16,135		(11,985		)	5,926
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,399		(2,167		)	—
Property, net	—		—		—		2,890		—			2,890
Investments in affiliates	—		—		—		101		—			101
Investments in subsidiaries	12,417		14,636		2,156		—		(29,209		)	—
Intangible assets, net	—		—		—		3,184		—			3,184
Other long-term assets	65		—		7		387		—			459
Total long-term assets	12,482		14,636		2,931		7,961		(31,376		)	6,634
Total assets	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	55	$	5	$	—		$	60
Accounts payable	1		—		—		2,281		—			2,282
Intercompany payables, current	5,986		3,375		1,073		1,551		(11,985		)	—
Accrued liabilities	27		—		3		1,336		—			1,366
Total current liabilities	6,014		3,375		1,131		5,173		(11,985		)	3,708
Long-term liabilities:
Long-term debt	3,055		—		1,074		34		—			4,163
Intercompany payables, long-term	—		—		1,315		852		(2,167		)	—
Pension benefit obligations	—		—		—		460		—			460
Other long-term liabilities	—		—		—		531		—			531
Total long-term liabilities	3,055		—		2,389		1,877		(2,167		)	5,154
Total liabilities	9,069		3,375		3,520		7,050		(14,152		)	8,862
Total Aptiv shareholders’ equity	3,467		11,276		1,118		16,815		(29,209		)	3,467
Noncontrolling interest	—		—		—		231		—			231
Total shareholders’ equity	3,467		11,276		1,118		17,046		(29,209		)	3,698
Total liabilities and shareholders’ equity	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560

Balance Sheet as of December 31, 2017

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	1	$	—	$	—	$	1,595	$	—		$	1,596
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,440		—			2,440
Intercompany receivables, current	50		16		82		9,867		(10,015		)	—
Inventories	—		—		—		1,083		—			1,083
Other current assets	—		—		—		521		—			521
Total current assets	51		16		82		15,507		(10,015		)	5,641
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,366		(2,134		)	—
Property, net	—		—		—		2,804		—			2,804
Investments in affiliates	—		—		—		91		—			91
Investments in subsidiaries	11,987		12,599		3,416		—		(28,002		)	—
Intangible assets, net	—		—		—		3,163		—			3,163
Other long-term assets	60		—		8		402		—			470
Total long-term assets	12,047		12,599		4,192		7,826		(30,136		)	6,528
Total assets	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	13	$	4	$	—		$	17
Accounts payable	2		—		—		2,225		—			2,227
Intercompany payables, current	5,689		1,736		1,032		1,558		(10,015		)	—
Accrued liabilities	91		—		10		1,195		—			1,296
Total current liabilities	5,782		1,736		1,055		4,982		(10,015		)	3,540
Long-term liabilities:
Long-term debt	3,017		—		1,078		37		—			4,132
Intercompany payables, long-term	—		—		1,297		837		(2,134		)	—
Pension benefit obligations	—		—		—		454		—			454
Other long-term liabilities	—		—		—		526		—			526
Total long-term liabilities	3,017		—		2,375		1,854		(2,134		)	5,112
Total liabilities	8,799		1,736		3,430		6,836		(12,149		)	8,652
Total Aptiv shareholders’ equity	3,299		10,879		844		16,279		(28,002		)	3,299
Noncontrolling interest	—		—		—		218		—			218
Total shareholders’ equity	3,299		10,879		844		16,497		(28,002		)	3,517
Total liabilities and shareholders’ equity	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169

Statement of Cash Flows for the Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(36	)	$	—	$	—	$	222		$	—		$	186
Net cash used in operating activities from discontinued operations	—			—		—		(31		)	—			(31		)
Net cash (used in) provided by operating activities	(36		)	—		—		191			—			155
Cash flows from investing activities:
Capital expenditures	—			—		—		(243		)	—			(243		)
Proceeds from sale of property / investments	—			—		—		3			—			3
Deposit for acquisition of KUM	(5		)	—		—		—			—			(5		)
Loans to affiliates	—			—		—		(250		)	250			—
Net cash (used in) provided by investing activities from continuing operations	(5		)	—		—		(490		)	250			(245		)
Net cash provided by investing activities from discontinued operations	—			—		—		—			—			—
Net cash (used in) provided by investing activities	(5		)	—		—		(490		)	250			(245		)
Cash flows from financing activities:
Net borrowings under other short-term debt agreements	—			—		—		35			—			35
Proceeds from borrowings from affiliates	250			—		—		—			(250		)	—
Repurchase of ordinary shares	(149		)	—		—		—			—			(149		)
Distribution of cash dividends	(59		)	—		—		—			—			(59		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(32		)	—			(32		)
Net cash provided by (used in) financing activities	42			—		—		3			(250		)	(205		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		44			—			44
Increase (decrease) in cash, cash equivalents and restricted cash	1			—		—		(252		)	—			(251		)
Cash, cash equivalents and restricted cash at beginning of period	1			—		—		1,596			—			1,597
Cash, cash equivalents and restricted cash at end of period	$	2		$	—	$	—	$	1,344		$	—		$	1,346
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	—		$	—		$	—
Cash, cash equivalents and restricted cash of continuing operations	$	2		$	—	$	—	$	1,344		$	—		$	1,346

Statement of Cash Flows for the Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(26	)	$	—	$	—	$	284		$	—		$	258
Net cash provided by operating activities from discontinued operations	—			—		—		32			—			32
Net cash (used in) provided by operating activities	(26		)	—		—		316			—			290
Cash flows from investing activities:
Capital expenditures	—			—		—		(164		)	—			(164		)
Cost of business acquisitions, net of cash acquired	—			—		—		(40		)	—			(40		)
Cost of technology investments	—			—		—		(15		)	—			(15		)
Loans to affiliates	—			—		—		(297		)	297			—
Net cash (used in) provided by investing activities from continuing operations	—			—		—		(516		)	297			(219		)
Net cash used in investing activities from discontinued operations	—			—		—		(51		)	—			(51		)
Net cash (used in) provided by investing activities	—			—		—		(567		)	297			(270		)
Cash flows from financing activities:
Net repayments under other short-term debt agreements	—			—		—		(4		)	—			(4		)
Contingent consideration and deferred acquisition purchase price payments	—			—		—		(20		)	—			(20		)
Dividend payments of consolidated affiliates to minority shareholders	—			—		—		(10		)	—			(10		)
Proceeds from borrowings from affiliates	297			—		—		—			(297		)	—
Repurchase of ordinary shares	(194		)	—		—		—			—			(194		)
Distribution of cash dividends	(78		)	—		—		—			—			(78		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(26		)	—			(26		)
Net cash provided by (used in) financing activities	25			—		—		(60		)	(297		)	(332		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		21			—			21
Decrease in cash, cash equivalents and restricted cash	(1		)	—		—		(290		)	—			(291		)
Cash, cash equivalents and restricted cash at beginning of period	2			—		—		837			—			839
Cash, cash equivalents and restricted cash at end of period	$	1		$	—	$	—	$	547		$	—		$	548
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	61		$	—		$	61
Cash, cash equivalents and restricted cash of continuing operations	$	1		$	—	$	—	$	486		$	—		$	487

XML

Segment Reporting

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Segment Reporting

SEGMENT REPORTING

Aptiv operates its core business along the following operating segments, which are grouped on the basis of similar product, market and operating factors:

• Signal and Power Solutions, which includes complete electrical architecture and component products.

• Advanced Safety and User Experience, which includes component and systems integration expertise in infotainment and connectivity, body controls and security systems, displays and active and passive safety electronics, autonomous driving software and technologies, as well as advanced development of software.

• Eliminations and Other, which includes i) the elimination of inter-segment transactions, and ii) certain other expenses and income of a non-operating or strategic nature.

The accounting policies of the segments are the same as those described in Note 2. Significant Accounting Policies, except that the disaggregated financial results for the segments have been prepared using a management approach, which is consistent with the basis and manner in which management internally disaggregates financial information for which Aptiv’s chief operating decision maker regularly reviews financial results to assess performance of, and make internal operating decisions about allocating resources to, the segments.

Generally, Aptiv evaluates segment performance based on stand-alone segment net income before interest expense, other income (expense), net, income tax expense, equity income (loss), net of tax, income (loss) from discontinued operations, net of tax, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions (“Adjusted Operating Income”) and accounts for inter-segment sales and transfers as if the sales or transfers were to third parties, at current market prices. Aptiv’s management utilizes Adjusted Operating Income as the key performance measure of segment income or loss to evaluate segment performance, and for planning and forecasting purposes to allocate resources to the segments, as management believes this measure is most reflective of the operational profitability or loss of Aptiv's operating segments. Segment Adjusted Operating Income should not be considered a substitute for results prepared in accordance with U.S. GAAP and should not be considered an alternative to net income attributable to Aptiv, which is the most directly comparable financial measure to Adjusted Operating Income that is prepared in accordance with U.S. GAAP. Segment Adjusted Operating Income, as determined and measured by Aptiv, should also not be compared to similarly titled measures reported by other companies.

As described in Note 21. Discontinued Operations, the Company's previously reported Powertrain Systems segment has been classified as discontinued operations for all periods presented. Certain original equipment service businesses that were previously included within the Powertrain Systems segment but which were not included in the spin-off, are reported in continuing operations and have been reclassified within the Advanced Safety and User Experience and Signal and Power Solutions segments for all periods presented. No amounts for shared general and administrative operating expense or interest expense were allocated to discontinued operations.

Included below are sales and operating data for Aptiv’s segments for the three months endedMarch 31, 2018 and 2017.

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2018:
Net sales	$	2,617	$	1,032	$	(19	)	$	3,630
Depreciation & amortization	$	119	$	36	$	—		$	155
Adjusted operating income	$	351	$	76	$	—		$	427
Operating income	$	322	$	52	$	—		$	374
Equity income, net of tax	$	5	$	—	$	—		$	5
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2017:
Net sales	$	2,342	$	821	$	(20	)	$	3,143
Depreciation & amortization	$	102	$	24	$	—		$	126
Adjusted operating income	$	309	$	43	$	—		$	352
Operating income	$	291	$	2	$	—		$	293
Equity income, net of tax	$	11	$	—	$	—		$	11
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

(1) Eliminations and Other includes the elimination of inter-segment transactions.

The reconciliation of Adjusted Operating Income to Operating Income includes, as applicable, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions. The reconciliation of Adjusted Operating Income to net income attributable to Aptiv for the three months endedMarch 31, 2018 and 2017 are as follows:

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2018:
Adjusted operating income	$	351		$	76		$	—	$	427
Restructuring	(18		)	(2		)	—		(20		)
Other acquisition and portfolio project costs	(11		)	(8		)	—		(19		)
Deferred compensation related to nuTonomy acquisition	—			(14		)	—		(14		)
Operating income	$	322		$	52		$	—	374
Interest expense									(34		)
Other income, net									30
Income from continuing operations before income taxes and equity income									370
Income tax expense									(59		)
Equity income, net of tax									5
Income from continuing operations									316
Income from discontinued operations, net of tax									—
Net income									316
Net income attributable to noncontrolling interest									9
Net income attributable to Aptiv									$	307

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2017:
Adjusted operating income	$	309		$	43		$	—	$	352
Restructuring	(13		)	(39		)	—		(52		)
Other acquisition and portfolio project costs	(5		)	(1		)	—		(6		)
Asset impairments	—			(1		)	—		(1		)
Operating income	$	291		$	2		$	—	293
Interest expense									(33		)
Other expense, net									(23		)
Income from continuing operations before income taxes and equity income									237
Income tax expense									(19		)
Equity income, net of tax									11
Income from continuing operations									229
Income from discontinued operations, net of tax									123
Net income									352
Net income attributable to noncontrolling interest									17
Net income attributable to Aptiv									$	335

XML

Discontinued Operations Discontinued Operations

3 Months Ended

Mar. 31, 2018

Discontinued Operations [Abstract]

Discontinued Operations

DISCONTINUED OPERATIONS

Spin-Off of Delphi Technologies

On December 4, 2017, the Company completed the Separation of its former Powertrain Systems segment by distributing to Aptiv shareholders on a pro rata basis all of the issued and outstanding ordinary shares of Delphi Technologies PLC (“Delphi Technologies”), a public limited company formed to hold the spun-off business. To effect the Separation, the Company distributed to its shareholders one ordinary share of Delphi Technologies for every three Aptiv ordinary shares outstanding as of November 22, 2017, the record date for the distribution. Shareholders received cash in lieu of any fractional ordinary shares of Delphi Technologies. Following the Separation, Delphi Technologies is now an independent public company. Aptiv did not retain any equity or other interests in Delphi Technologies.

On December 4, 2017, pursuant to the Separation and Distribution Agreement, the Company transferred to Delphi Technologies the assets and liabilities that comprised Delphi Technologies’ business. The Company received a dividend of approximately $1,148 million from Delphi Technologies in connection with the Separation. Delphi Technologies financed this dividend through the issuance of approximately $1.55 billion of debt, consisting of a senior secured five-year $750 million term loan facility that was issued upon the spin-off and $800 million aggregate principal amount of 5.00% senior unsecured notes due 2025 that were issued in September 2017 (collectively, the "Delphi Technologies Debt"). In connection with the Separation, the Delphi Technologies Debt was transferred to Delphi Technologies and is no longer reflected in the Company’s consolidated financial statements. Also in connection with the Separation, the Company received $180 million in cash from Delphi Technologies pursuant to the Tax Matters Agreement.

The requirements for the presentation of Delphi Technologies as a discontinued operation were met when the Separation was completed. Accordingly, the accompanying consolidated financial statements reflect this business as a discontinued operation for all periods presented through the Distribution Date. Operations related to certain original equipment service businesses previously included within the Company's Powertrain Systems segment, but which were not included in the spin-off, are reported in continuing operations and have been reclassified within the Advanced Safety and User Experience and Signal and Power Solutions segments for all periods presented. No amounts for shared general and administrative expense or interest expense were allocated to discontinued operations. Aptiv has not had significant continuing involvement with the spun-off Powertrain Systems business following the closing of the transaction.

In connection with the Separation, Aptiv and Delphi Technologies entered into various agreements to effect the Separation and to provide a framework for their relationship following the Separation, which included a Separation and Distribution agreement, a Transition Services Agreement, a Tax Matters Agreement, an Employee Matters Agreement and Contract Manufacturing Services Arrangements. The transition services primarily involve Aptiv providing certain services to Delphi Technologies related to information technology and human resource infrastructure for terms of up to 24 months following the Separation. Aptiv recorded $3 million to other income (expense), net during the three months endedMarch 31, 2018 for certain fees earned pursuant to the Transition Services Agreement. As part of the near-term transition related to these agreements, Aptiv has recorded certain short-term assets and liabilities within the consolidated balance sheets as of March 31, 2018 and December 31, 2017. The Company has recorded $289 million and $123 million, respectively, in other current assets related to accounts receivable from customers that it will collect on behalf of Delphi Technologies, which will be remitted to Delphi Technologies, and $267 million and $132 million, respectively, in accrued liabilities related to accounts payable to outside suppliers that it will remit on behalf of Delphi Technologies, which will be reimbursed by Delphi Technologies.

As a result of the Separation, the Company has separated its defined benefit pension and other post-employment benefit plans, and adjusted its employee share-based compensation awards. See Note 9. Pension Benefits and Note 18. Share-Based Compensation, respectively, for additional information.

As a result of the completion of the Separation on December 4, 2017, there were no assets or liabilities of the discontinued operation as of March 31, 2018 or December 31, 2017.

A reconciliation of the major classes of line items constituting pre-tax profit or loss of discontinued operations to income from discontinued operations, net of tax as presented in the consolidated statements of operations is as follows:

	Three Months Ended March 31,
	2017
	(in millions)
Net sales	$	1,149
Cost of sales	901
Selling, general and administrative	63
Amortization	4
Restructuring	10
Other income and (expense) items that are not major, net	(6		)
Income from discontinued operations before income taxes and equity income	165
Income tax expense on discontinued operations	(42		)
Income from discontinued operations, net of tax	123
Income from discontinued operations attributable to noncontrolling interests	8
Net income from discontinued operations attributable to Aptiv	$	115

Income from discontinued operations before income taxes attributable to Aptiv was $155 million for the three months endedMarch 31, 2017, which includes $2 million of income tax expense attributable to noncontrolling interests.

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Revenue Revenue

3 Months Ended

Mar. 31, 2018

Revenue [Abstract]

Revenue

REVENUE

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers, which requires recognition of revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Aptiv adopted this guidance in the first quarter of 2018 using the modified retrospective method. In accordance with the standard, revenue is measured based on consideration specified in a contract with a customer. Customer contracts generally are represented by a combination of a current purchase order and a current production schedule issued by the customer. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. From time to time, Aptiv enters into pricing agreements with its customers that provide for price reductions, some of which are conditional upon achieving certain joint cost savings targets. In these instances, revenue is recognized based on the agreed-upon price at the time of shipment.

Sales incentives and allowances are recognized as a reduction to revenue at the time of the related sale. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction that are collected by Aptiv from a customer are excluded from revenue. Shipping and handling fees billed to customers are included in net sales, while costs of shipping and handling are included in cost of sales.

Nature of Goods and Services

The principal activity from which the Company generates its revenue is the manufacturing of production parts for OEM customers. Aptiv recognizes revenue at a point in time, rather than over time, as the performance obligation is satisfied when customers obtain control of the product upon title transfer and not as the product is manufactured or developed.

Aptiv recognizes revenue for production parts at a point in time as title transfers to the customer. Although production parts are highly customized with no alternative use, Aptiv does not have an enforceable right to payment as customers have the right to cancel a product program without a notification period. The amount of revenue recognized is based on the purchase order price and adjusted for revenue allocated to variable consideration (i.e. estimated rebates and price discounts), as applicable. Customers typically pay for production parts based on customary business practices with payment terms averaging 60 days.

Disaggregation of Revenue

Revenue generated from Aptiv's operating segments are disaggregated by primary geographic market in the following tables. Information concerning geographic market reflects the manufacturing location.

For the Three Months Ended March 31, 2018:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	1,020	$	335	$	(4	)	$	1,351
Europe, Middle East & Africa	837		437		(5		)	1,269
Asia Pacific	687		259		(10		)	936
South America	73		1		—			74
Total	$	2,617	$	1,032	$	(19	)	$	3,630

For the Three Months Ended March 31, 2017:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	955	$	307	$	(4	)	$	1,258
Europe, Middle East & Africa	715		323		(7		)	1,031
Asia Pacific	611		189		(9		)	791
South America	61		2		—			63
Total	$	2,342	$	821	$	(20	)	$	3,143

Contract Balances

Consistent with the recognition of production parts revenue at a point in time as title transfers to the customer, Aptiv has no contract assets or contract liabilities balances as of March 31, 2018 or December 31, 2017.

Outstanding Performance Obligations

As customer contracts generally are represented by a combination of a current purchase order and a current production schedule issued by the customer for a production part, there are no contracts outstanding beyond one year. Aptiv does not enter into fixed long-term supply agreements.

As permitted, Aptiv does not disclose information about remaining performance obligations that have original expected durations of one year or less.

Costs to Obtain a Contract

From time to time, Aptiv makes payments to customers in conjunction with ongoing and future business. These payments to customers are generally recognized as a reduction to revenue at the time of the commitment to make these payments.

Certain of these payments or upfront fees meet the criteria to be considered a cost to obtain a contract as they are directly attributable to a contract, are incremental and management expects the fees to be recoverable. As of March 31, 2018 and December 31, 2017, Aptiv has recorded $37 million (of which $5 million was classified within other current assets and $32 million was classified within other long-term assets) and $36 million (of which $5 million was classified within other current assets and $31 million was classified within other long-term assets), respectively, related to these capitalized upfront fees.

Capitalized upfront fees are amortized to revenue based on the transfer of goods and services to the customer for which the upfront fees relate, which typically range from three to five years. There have been no impairment losses in relation to the costs capitalized. The amount of amortization to net sales was $1 million and $1 million for the three months ended March 31, 2018 and 2017, respectively.

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Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Consolidation, Policy

Consolidation—The consolidated financial statements include the accounts of Aptiv and U.S. and non-U.S. subsidiaries in which Aptiv holds a controlling financial or management interest and variable interest entities of which Aptiv has determined that it is the primary beneficiary. Aptiv’s share of the earnings or losses of non-controlled affiliates over which Aptiv exercises significant influence (generally a 20% to 50% ownership interest) is included in the consolidated operating results using the equity method of accounting. When Aptiv does not have the ability to exercise significant influence (generally when ownership interest is less than 20%), investments in non-consolidated affiliates are accounted for in accordance with Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2016-01, Financial Instruments – Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, and are measured at cost, less impairments, adjusted for observable price changes. All significant intercompany transactions and balances between consolidated Aptiv businesses have been eliminated. The Company monitors its investments in affiliates for indicators of other-than-temporary declines in value on an ongoing basis. If the Company determines that such a decline has occurred, an impairment loss is recorded, which is measured as the difference between carrying value and estimated fair value. Estimated fair value is generally determined using an income approach based on discounted cash flows or negotiated transaction values.

Investments in non-consolidated affiliates totaled $56 million and $56 million as of March 31, 2018 and December 31, 2017, respectively, and are classified within other long-term assets in the consolidated balance sheet.

Use of Estimates, Policy

Use of estimates—Preparation of consolidated financial statements in conformity with U.S. GAAP requires the use of estimates and assumptions that affect amounts reported therein. Generally, matters subject to estimation and judgment include amounts related to accounts receivable realization, inventory obsolescence, asset impairments, useful lives of intangible and fixed assets, deferred tax asset valuation allowances, income taxes, pension benefit plan assumptions, accruals related to litigation, warranty costs, environmental remediation costs, contingent consideration arrangements, worker’s compensation accruals and healthcare accruals. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may be based upon amounts that differ from those estimates.

Revenue Recognition, Policy

Revenue recognition—Beginning in the first quarter of 2018, Aptiv recognizes revenue in accordance with ASU 2014-09, Revenue from Contracts with Customers. Refer to Note 22. Revenue for additional information regarding the Company's revenue recognition policies.

In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers, which requires recognition of revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which we expect to be entitled in exchange for those goods or services. Aptiv adopted this guidance in the first quarter of 2018 using the modified retrospective method. In accordance with the standard, revenue is measured based on consideration specified in a contract with a customer. Customer contracts generally are represented by a combination of a current purchase order and a current production schedule issued by the customer. The Company recognizes revenue when it satisfies a performance obligation by transferring control over a product or service to a customer. From time to time, Aptiv enters into pricing agreements with its customers that provide for price reductions, some of which are conditional upon achieving certain joint cost savings targets. In these instances, revenue is recognized based on the agreed-upon price at the time of shipment.

Sales incentives and allowances are recognized as a reduction to revenue at the time of the related sale. Taxes assessed by a governmental authority that are both imposed on and concurrent with a specific revenue-producing transaction that are collected by Aptiv from a customer are excluded from revenue. Shipping and handling fees billed to customers are included in net sales, while costs of shipping and handling are included in cost of sales.

Nature of Goods and Services

The principal activity from which the Company generates its revenue is the manufacturing of production parts for OEM customers. Aptiv recognizes revenue at a point in time, rather than over time, as the performance obligation is satisfied when customers obtain control of the product upon title transfer and not as the product is manufactured or developed.

Aptiv recognizes revenue for production parts at a point in time as title transfers to the customer. Although production parts are highly customized with no alternative use, Aptiv does not have an enforceable right to payment as customers have the right to cancel a product program without a notification period. The amount of revenue recognized is based on the purchase order price and adjusted for revenue allocated to variable consideration (i.e. estimated rebates and price discounts), as applicable. Customers typically pay for production parts based on customary business practices with payment terms averaging 60 days.

Net Income Per Share, Policy

Net income per share—Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. Unless otherwise noted, share and per share amounts included in these notes are on a diluted basis. Refer to Note 12. Shareholders’ Equity and Net Income Per Share for additional information including the calculation of basic and diluted net income per share.

Basic net income per share is computed by dividing net income attributable to Aptiv by the weighted average number of ordinary shares outstanding during the period. Diluted net income per share reflects the weighted average dilutive impact of all potentially dilutive securities from the date of issuance and is computed using the treasury stock method by dividing net income attributable to Aptiv by the diluted weighted average number of ordinary shares outstanding. For all periods presented, the calculation of diluted net income per share contemplates the dilutive impacts, if any, of the Company’s share-based compensation plans. Refer to Note 18. Share-Based Compensation for additional information.

Cash and Cash Equivalents, Policy

Cash and cash equivalents—Cash and cash equivalents are defined as short-term, highly liquid investments with original maturities of three months or less.

Transfers and Servicing of Financial Assets, Policy

Accounts receivable—Aptiv enters into agreements to sell certain of its accounts receivable, primarily in Europe. Sales of receivables are accounted for in accordance with FASB Accounting Standards Codification ("ASC") Topic 860, Transfers and Servicing ("ASC 860"). Agreements which result in true sales of the transferred receivables, as defined in ASC 860, which occur when receivables are transferred without recourse to the Company, are excluded from amounts reported in the consolidated balance sheets. Cash proceeds received from such sales are included in operating cash flows. Agreements that allow Aptiv to maintain effective control over the transferred receivables and which do not qualify as a sale, as defined in ASC 860, are accounted for as secured borrowings and recorded in the consolidated balance sheets within accounts receivable, net and short-term debt. The expenses associated with receivables factoring are recorded in the consolidated statements of operations within interest expense.

Intangible Assets, Policy

Intangible assets—Intangible assets were $1,204 million and $1,219 million as of March 31, 2018 and December 31, 2017, respectively. Aptiv amortizes definite-lived intangible assets over their estimated useful lives. Aptiv has definite-lived intangible assets related to patents and developed technology, customer relationships and trade names. Indefinite-lived in-process research and development intangible assets are not amortized, but are tested for impairment annually, or more frequently when indicators of potential impairment exist, until the completion or abandonment of the associated research and development efforts. Upon completion of the projects, the assets will be amortized over the expected economic life of the asset, which will be determined on that date. Should the project be determined to be abandoned, and if the asset developed has no alternative use, the full value of the asset will be charged to expense. The Company also has intangible assets related to acquired trade names that are classified as indefinite-lived when there are no foreseeable limits on the periods of time over which they are expected to contribute cash flows. These indefinite-lived trade name assets are tested for impairment annually, or more frequently when indicators of potential impairment exist. Costs to renew or extend the term of acquired intangible assets are recognized as expense as incurred. Amortization expense was $30 million and $29 million for the three months endedMarch 31, 2018 and 2017, respectively.

Goodwill, Policy

Goodwill—Goodwill is the excess of the purchase price over the estimated fair value of identifiable net assets acquired in business combinations. The Company tests goodwill for impairment annually in the fourth quarter, or more frequently when indications of potential impairment exist. The Company monitors the existence of potential impairment indicators throughout the fiscal year. The Company tests for goodwill impairment at the reporting unit level. Our reporting units are the components of operating segments which constitute businesses for which discrete financial information is available and is regularly reviewed by segment management.

The impairment test involves first qualitatively assessing goodwill for impairment. If the qualitative assessment is not met the Company then performs a quantitative assessment by first comparing the estimated fair value of each reporting unit to its carrying value, including goodwill. Fair value reflects the price a market participant would be willing to pay in a potential sale of the reporting unit. If the estimated fair value exceeds carrying value, then we conclude that no goodwill impairment has occurred. If the carrying value of the reporting unit exceeds its estimated fair value, a second step is required to measure possible goodwill impairment loss. The second step includes hypothetically valuing the tangible and intangible assets and liabilities of the reporting unit as if the reporting unit had been acquired in a business combination. Then, the implied fair value of the reporting unit's goodwill is compared to the carrying value of that goodwill. If the carrying value of the reporting unit's goodwill exceeds the implied fair value of the goodwill, the Company recognizes an impairment loss in an amount equal to the excess, not to exceed the carrying value. There were no indicators of potential goodwill impairment during the three months endedMarch 31, 2018. Goodwill was $1,980 million and $1,944 million as of March 31, 2018 and December 31, 2017, respectively.

Warranty, Policy

Warranty and product recalls—Expected warranty costs for products sold are recognized at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. Costs of product recalls, which may include the cost of the product being replaced as well as the customer’s cost of the recall, including labor to remove and replace the recalled part, are accrued as part of our warranty accrual at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Refer to Note 6. Warranty Obligations for additional information.

Expected warranty costs for products sold are recognized principally at the time of sale of the product based on an estimate of the amount that eventually will be required to settle such obligations. These accruals are based on factors such as past experience, production changes, industry developments and various other considerations. The estimated costs related to product recalls based on a formal campaign soliciting return of that product are accrued at the time an obligation becomes probable and can be reasonably estimated. These estimates are adjusted from time to time based on facts and circumstances that impact the status of existing claims. Aptiv has recognized its best estimate for its total aggregate warranty reserves, including product recall costs, across all of its operating segments as of March 31, 2018. The Company estimates the reasonably possible amount to ultimately resolve all matters in excess of the recorded reserves as of March 31, 2018 to be zero to $25 million.

Discontinued Operations, Policy

Discontinued operations—The Company reports financial results for discontinued operations separately from continuing operations to distinguish the financial impact of disposal transactions from ongoing operations. Discontinued operations reporting occurs only when the disposal of a component or a group of components of the Company represents a strategic shift that will have a major effect on the Company's operations and financial results. During the year ended December 31, 2017, the Company completed the Separation of its former Powertrain Systems segment by means of a spin-off into Delphi Technologies. Accordingly, the assets and liabilities, operating results and operating and investing cash flows for the previously reported Powertrain Systems segment are presented as discontinued operations separate from the Company’s continuing operations and segment results for all periods presented in these consolidated financial statements and the notes to the consolidated financial statements, unless otherwise noted. Refer to Note 21. Discontinued Operations for further information regarding the Company's discontinued operations.

Income Tax, Policy

Income taxes—Deferred tax assets and liabilities reflect temporary differences between the amount of assets and liabilities for financial and tax reporting purposes. Such amounts are adjusted, as appropriate, to reflect changes in tax rates expected to be in effect when the temporary differences reverse. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in earnings in the period that includes the enactment date. A valuation allowance is recorded to reduce deferred tax assets to the amount that is more likely than not to be realized. In the event the Company determines it is more likely than not that the deferred tax assets will not be realized in the future, the valuation allowance adjustment to the deferred tax assets will be charged to earnings in the period in which the Company makes such a determination. In determining the provision for income taxes for financial statement purposes, the Company makes certain estimates and judgments which affect its evaluation of the carrying value of its deferred tax assets, as well as its calculation of certain tax liabilities. Refer to Note 11. Income Taxes for additional information.

Restructuring, Policy

Restructuring—Aptiv continually evaluates alternatives to align the business with the changing needs of its customers and to lower operating costs. This includes the realignment of its existing manufacturing capacity, facility closures, or similar actions, either in the normal course of business or pursuant to significant restructuring programs. These actions may result in employees receiving voluntary or involuntary employee termination benefits, which are mainly pursuant to union or other contractual agreements. Voluntary termination benefits are accrued when an employee accepts the related offer. Involuntary termination benefits are accrued upon the commitment to a termination plan and when the benefit arrangement is communicated to affected employees, or when liabilities are determined to be probable and estimable, depending on the existence of a substantive plan for severance or termination. Contract termination costs are recorded when contracts are terminated or when Aptiv ceases to use the leased facility and no longer derives economic benefit from the contract. All other exit costs are expensed as incurred. Refer to Note 7. Restructuring for additional information.

Customer Concentations, Policy

Customer concentrations—As reflected in the table below, combined net sales to General Motors Company ("GM") and Volkswagen Group ("VW"), Aptiv's two largest customers, totaled approximately 19% and 24% of our total net sales for the three months endedMarch 31, 2018 and 2017, respectively.

	Percentage of Total Net Sales				Accounts and Other Receivables
	Three Months Ended March 31,				March 31, 2018		December 31, 2017
	2018		2017
					(in millions)
GM (1)	11	%	15	%	$	237	$	204
VW	8	%	9	%	165		145

(1) Net sales to GM includes net sales to GM's former European Opel business prior to its sale to PSA Peugeot Citroën ("PSA") on August 1, 2017, after which date these sales are excluded from net sales to GM.

Recently Issued Accounting Pronouncements, Policy

Recently adopted accounting pronouncements—Aptiv adopted ASU 2014-09, Revenue from Contracts with Customers, in the first quarter of 2018 using the modified retrospective method. This ASU supersedes most of the existing guidance on revenue recognition in ASC Topic 605, Revenue Recognition and establishes a broad principle that would require an entity to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Refer to Note 22. Revenue for additional information.

Aptiv adopted ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities, in the first quarter of 2018. This guidance makes targeted improvements to existing U.S. GAAP for financial instruments, including requiring equity investments (except those accounted for under the equity method of accounting or those that result in consolidation of the investee) to be measured at fair value with changes in fair value recognized in net income. In accordance with this guidance, Aptiv measures equity investments at cost, less impairments, adjusted for observable price changes. The adoption of this guidance did not have a significant impact on Aptiv's financial statements.

Aptiv adopted ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments, in the first quarter of 2018. This guidance clarifies the presentation requirements of eight specific issues within the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, as Aptiv's treatment of the relevant affected items within its consolidated statement of cash flows is consistent with the requirements of this guidance.

Aptiv adopted ASU 2016-16, Accounting for Income Taxes: Intra-Entity Asset Transfers of Assets Other than Inventory, in the first quarter of 2018. This guidance requires that the tax effects of all intra-entity sales of assets other than inventory be recognized in the period in which the transaction occurs. The guidance is to be applied on a modified retrospective basis through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. The adoption of this guidance resulted in an adjustment of $9 million recorded to retained earnings during the three months endedMarch 31, 2018.

Aptiv adopted ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash, in the first quarter of 2018. This guidance requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents and restricted cash. As a result, restricted cash will be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. The adoption of this guidance did not have a significant impact on Aptiv's financial statements, other than the classification of restricted cash within the beginning-of-period and end-of-period totals on the consolidated statement of cash flows, as opposed to being excluded from these totals.

Recently issued accounting pronouncements not yet adopted—In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). Under this guidance, lessees will be required to recognize on the balance sheet a lease liability and a right-of-use asset for all leases, with the exception of short-term leases. The lease liability represents the lessee's obligation to make lease payments arising from a lease, and will be measured as the present value of the lease payments. The right-of-use asset represents the lessee’s right to use a specified asset for the lease term, and will be measured at the lease liability amount, adjusted for lease prepayment, lease incentives received and the lessee’s initial direct costs. The standard also requires a lessee to recognize a single lease cost allocated over the lease term, generally on a straight-line basis. The new guidance is effective for fiscal years beginning after December 15, 2018. ASU 2016-02 is required to be applied using the modified retrospective approach for all leases existing as of the effective date and provides for certain practical expedients. Early adoption is permitted. The Company is currently evaluating the effects that the adoption of ASU 2016-02 will have on the Company’s consolidated financial statements, and anticipates the new guidance will significantly impact its consolidated financial statements as the Company has a significant number of leases.

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This guidance requires the measurement of all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. This guidance also requires enhanced disclosures regarding significant estimates and judgments used in estimating credit losses. The new guidance is effective for fiscal years beginning after December 15, 2019. Early adoption is permitted for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In January 2017, the FASB issued ASU 2017-04, Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. This guidance simplifies how an entity is required to test goodwill for impairment by eliminating step two from the goodwill impairment test, which measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount. Under the new guidance, if a reporting unit’s carrying amount exceeds its fair value, an entity will record an impairment charge based on that difference. The impairment charge will be limited to the amount of goodwill allocated to that reporting unit. The standard will be applied prospectively and is effective for annual and interim impairment tests performed in periods beginning after December 15, 2019. Early adoption is permitted. The Company is currently evaluating the impact of adopting this standard on its financial statements, but does not anticipate a material impact. As this standard is prospective in nature, the impact to Aptiv's financial statements of not performing a step two in order to measure the amount of any potential goodwill impairment will depend on various factors associated with the Company's assessment of goodwill for impairment in those future periods.

In August 2017, the FASB issued ASU 2017-12, Derivatives and Hedging—Targeted Improvements to Accounting for Hedging Activities, which expands and refines the application of hedge accounting for both non-financial and financial risk components and aligns the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. The standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, Income Statement—Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, which allows for the elimination of the stranded income tax effects resulting from the enactment of the Tax Cuts and Jobs Act through a reclassification from accumulated other comprehensive income to retained earnings. The standard is effective for fiscal years beginning after December 15, 2018. Early adoption is permitted. The Company is currently evaluating the impact that the adoption of this guidance will have on its consolidated financial statements.

Inventories, Policy

Inventories are stated at the lower of cost, determined on a first-in, first-out basis, or net realizable value, including direct material costs and direct and indirect manufacturing costs.

Pensions, Policy

Certain of Aptiv’s non-U.S. subsidiaries sponsor defined benefit pension plans, which generally provide benefits based on negotiated amounts for each year of service. Aptiv’s primary non-U.S. plans are located in France, Germany, Mexico, Portugal and the United Kingdom (“U.K.”). The U.K. and certain Mexican plans are funded. In addition, Aptiv has defined benefit plans in South Korea, Turkey and Italy for which amounts are payable to employees immediately upon separation. The obligations for these plans are recorded over the requisite service period.

Aptiv sponsors a Supplemental Executive Retirement Program (“SERP”) for those employees who were U.S. executives of DPHH prior to September 30, 2008 and were still U.S. executives of the Company on October 7, 2009, the effective date of the program. This program is unfunded. Executives receive benefits over 5 years after an involuntary or voluntary separation from Aptiv. The SERP is closed to new members.

Guarantor, Policy

In lieu of providing separate audited financial statements for the Guarantors, the Company has included the accompanying condensed consolidating financial statements. These condensed consolidating financial statements are presented using the equity method. Under this method, the investments in subsidiaries are recorded at cost and adjusted for the Parent’s share of the subsidiary’s cumulative results of operations, capital contributions and distributions and other equity changes. The Non-Guarantor Subsidiaries are combined in the condensed consolidating financial statements. The principal elimination entries are to eliminate the investments in subsidiaries and intercompany balances and transactions.

Segment Reporting, Policy

The accounting policies of the segments are the same as those described in Note 2. Significant Accounting Policies, except that the disaggregated financial results for the segments have been prepared using a management approach, which is consistent with the basis and manner in which management internally disaggregates financial information for which Aptiv’s chief operating decision maker regularly reviews financial results to assess performance of, and make internal operating decisions about allocating resources to, the segments.

Generally, Aptiv evaluates segment performance based on stand-alone segment net income before interest expense, other income (expense), net, income tax expense, equity income (loss), net of tax, income (loss) from discontinued operations, net of tax, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions (“Adjusted Operating Income”) and accounts for inter-segment sales and transfers as if the sales or transfers were to third parties, at current market prices. Aptiv’s management utilizes Adjusted Operating Income as the key performance measure of segment income or loss to evaluate segment performance, and for planning and forecasting purposes to allocate resources to the segments, as management believes this measure is most reflective of the operational profitability or loss of Aptiv's operating segments. Segment Adjusted Operating Income should not be considered a substitute for results prepared in accordance with U.S. GAAP and should not be considered an alternative to net income attributable to Aptiv, which is the most directly comparable financial measure to Adjusted Operating Income that is prepared in accordance with U.S. GAAP. Segment Adjusted Operating Income, as determined and measured by Aptiv, should also not be compared to similarly titled measures reported by other companies.

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Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments

Customer concentrations—As reflected in the table below, combined net sales to General Motors Company ("GM") and Volkswagen Group ("VW"), Aptiv's two largest customers, totaled approximately 19% and 24% of our total net sales for the three months endedMarch 31, 2018 and 2017, respectively.

	Percentage of Total Net Sales				Accounts and Other Receivables
	Three Months Ended March 31,				March 31, 2018		December 31, 2017
	2018		2017
					(in millions)
GM (1)	11	%	15	%	$	237	$	204
VW	8	%	9	%	165		145

(1) Net sales to GM includes net sales to GM's former European Opel business prior to its sale to PSA Peugeot Citroën ("PSA") on August 1, 2017, after which date these sales are excluded from net sales to GM.

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Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

A summary of inventories is shown below:

	March 31, 2018		December 31, 2017
	(in millions)
Productive material	$	675	$	584
Work-in-process	107		100
Finished goods	420		399
Total	$	1,202	$	1,083

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Assets (Tables)

3 Months Ended

Mar. 31, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

Other current assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Value added tax receivable	$	162	$	160
Prepaid insurance and other expenses	116		104
Reimbursable engineering costs	44		33
Notes receivable	15		16
Income and other taxes receivable	62		46
Deposits to vendors	8		8
Derivative financial instruments (Note 14)	34		30
Accounts receivable to be remitted to Delphi Technologies (Note 21)	289		123
Other	2		1
Total	$	732	$	521

Schedule of Other Assets, Noncurrent

Other long-term assets consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Deferred income taxes, net	$	183	$	185
Unamortized Revolving Credit Facility debt issuance costs (Note 8)	7		8
Income and other taxes receivable	11		22
Reimbursable engineering costs	72		66
Value added tax receivable	38		37
Equity investments (Note 17)	56		56
Derivative financial instruments (Note 14)	2		8
Other	90		88
Total	$	459	$	470

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Liabilities (Tables)

3 Months Ended

Mar. 31, 2018

Other Liabilities Disclosure [Abstract]

Accrued Liabilities

Accrued liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Payroll-related obligations	$	238	$	218
Employee benefits, including current pension obligations	74		116
Income and other taxes payable	234		233
Warranty obligations (Note 6)	46		41
Restructuring (Note 7)	81		90
Customer deposits	32		28
Derivative financial instruments (Note 14)	30		15
Accrued interest	29		41
Dividends payable	—		59
Accounts payable to be remitted on behalf of Delphi Technologies (Note 21)	267		132
Other	335		323
Total	$	1,366	$	1,296

Liabilities, Noncurrent

Other long-term liabilities consisted of the following:

	March 31, 2018		December 31, 2017
	(in millions)
Environmental (Note 10)	$	4	$	4
Extended disability benefits	9		9
Warranty obligations (Note 6)	17		17
Restructuring (Note 7)	40		42
Payroll-related obligations	10		10
Accrued income taxes	156		154
Deferred income taxes, net	218		222
Derivative financial instruments (Note 14)	5		11
Other	72		57
Total	$	531	$	526

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Warranty Obligations (Tables)

3 Months Ended

Mar. 31, 2018

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability

The table below summarizes the activity in the product warranty liability for the three months endedMarch 31, 2018:

	Warranty Obligations
	(in millions)
Accrual balance at beginning of period	$	58
Provision for estimated warranties incurred during the period	9
Changes in estimate for pre-existing warranties	2
Settlements made during the period (in cash or in kind)	(8		)
Foreign currency translation and other	2
Accrual balance at end of period	$	63

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Restructuring (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Related Costs

The following table summarizes the restructuring charges recorded for the three months endedMarch 31, 2018 and 2017 by operating segment:

	Three Months Ended March 31,
	2018		2017
	(in millions)
Signal and Power Solutions	$	18	$	13
Advanced Safety and User Experience	2		39
Total	$	20	$	52

Schedule of Restructuring Reserve by Type of Cost

The table below summarizes the activity in the restructuring liability for the three months endedMarch 31, 2018:

	Employee Termination Benefits Liability			Other Exit Costs Liability		Total
	(in millions)
Accrual balance at January 1, 2018	$	131		$	1	$	132
Provision for estimated expenses incurred during the period	20			—		20
Payments made during the period	(36		)	—		(36		)
Foreign currency and other	5			—		5
Accrual balance at March 31, 2018	$	120		$	1	$	121

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Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following is a summary of debt outstanding, net of unamortized issuance costs and discounts, as of March 31, 2018 and December 31, 2017, respectively:

	March 31, 2018			December 31, 2017
	(in millions)
3.15%, senior notes, due 2020 (net of $2 and $2 unamortized issuance costs and $1 and $1 discount, respectively)	$	647		$	647
4.15%, senior notes, due 2024 (net of $4 and $4 unamortized issuance costs and $1 and $1 discount, respectively)	695			695
1.50%, Euro-denominated senior notes, due 2025 (net of $4 and $4 unamortized issuance costs and $3 and $3 discount, respectively)	855			833
4.25%, senior notes, due 2026 (net of $4 and $4 unamortized issuance costs, respectively)	646			646
1.60%, Euro-denominated senior notes, due 2028 (net of $4 and $4 unamortized issuance costs and $0 and $1 discount, respectively)	611			595
4.40%, senior notes, due 2046 (net of $3 and $3 unamortized issuance costs and $2 and $2 discount, respectively)	295			295
Tranche A Term Loan, due 2021 (net of $1 and $2 unamortized issuance costs, respectively)	394			396
Capital leases and other	80			42
Total debt	4,223			4,149
Less: current portion	(60		)	(17		)
Long-term debt	$	4,163		$	4,132

Schedule of Interest Rates

The Applicable Rates under the Credit Agreement on the specified dates are set forth below:

	March 31, 2018				December 31, 2017
	LIBOR plus		ABR plus		LIBOR plus		ABR plus
Revolving Credit Facility	1.10	%	0.10	%	1.10	%	0.10	%
Tranche A Term Loan	1.25	%	0.25	%	1.25	%	0.25	%

Schedule of Line of Credit Facilities

As of March 31, 2018, Aptiv selected the one-month LIBOR interest rate option on the Tranche A Term Loan, and the rate effective as of March 31, 2018, as detailed in the table below, was based on the Company's current credit rating and the Applicable Rate for the Credit Agreement:

		Borrowings as of
		March 31, 2018		Rate effective as of
	Applicable Rate	(in millions)		March 31, 2018
Tranche A Term Loan	LIBOR plus 1.25%	$	395	3.06	%

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Pension Benefits (Tables)

3 Months Ended

Mar. 31, 2018

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The amounts shown below reflect the defined benefit pension expense for the three months endedMarch 31, 2018 and 2017:

	Non-U.S. Plans						U.S. Plans
	Three Months Ended March 31,
	2018			2017			2018		2017
	(in millions)
Service cost	$	5		$	4		$	—	$	—
Interest cost	7			7			—		—
Expected return on plan assets	(6		)	(6		)	—		—
Curtailment loss	1			—			—		—
Amortization of actuarial losses	4			3			—		—
Net periodic benefit cost	$	11		$	8		$	—	$	—

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit) and Effective Tax Rate

The Company's income tax expense and effective tax rate for the three months endedMarch 31, 2018 and 2017 were as follows:

	Three Months Ended March 31,
	2018			2017
	(dollars in millions)
Income tax expense	$	59		$	19
Effective tax rate	16		%	8		%

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Shareholders' Equity And Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2018

Shareholders' Equity and Net Income Per Share Note [Abstract]

Schedule of Weighted Average Number of Shares

The following table illustrates net income per share attributable to Aptiv and the weighted average shares outstanding used in calculating basic and diluted income per share:

	Three Months Ended March 31,
	2018		2017
	(in millions, except per share data)
Numerator:
Income from continuing operations	$	307	$	220
Income from discontinued operations	—		115
Net income attributable to Aptiv	$	307	$	335
Denominator:
Weighted average ordinary shares outstanding, basic	265.69		269.20
Dilutive shares related to restricted stock units ("RSUs")	0.75		0.34
Weighted average ordinary shares outstanding, including dilutive shares	266.44		269.54
Basic net income per share:
Continuing operations	$	1.16	$	0.82
Discontinued operations	—		0.42
Basic net income per share attributable to Aptiv	$	1.16	$	1.24
Diluted net income per share:
Continuing operations	$	1.15	$	0.82
Discontinued operations	—		0.42
Diluted net income per share attributable to Aptiv	$	1.15	$	1.24
Anti-dilutive securities share impact	—		—

Schedule of Share Repurchases

A summary of the ordinary shares repurchased during the three months endedMarch 31, 2018 and 2017 is as follows:

	Three Months Ended March 31,
	2018		2017
Total number of shares repurchased	1,676,144		2,555,703
Average price paid per share	$	89.17	$	75.52
Total (in millions)	$	149	$	193

Schedule of Dividends Declared and Paid

The Company has declared and paid cash dividends per ordinary share during the periods presented as follows:

	Dividend		Amount
	Per Share		(in millions)
2018:
First quarter	$	0.22	$	59
Total	$	0.22	$	59
2017:
Fourth quarter	$	0.29	$	77
Third quarter	0.29		77
Second quarter	0.29		78
First quarter	0.29		78
Total	$	1.16	$	310

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Changes in Accumulated Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2018

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income

The changes in accumulated other comprehensive income (loss) attributable to Aptiv (net of tax) for the three months endedMarch 31, 2018 and 2017 are shown below. Prior period other comprehensive income includes activity relating to discontinued operations.

	Three Months Ended March 31,
	2018			2017
	(in millions)
Foreign currency translation adjustments:
Balance at beginning of period	$	(369	)	$	(799	)
Aggregate adjustment for the period (1)	57			85
Balance at end of period	(312		)	(714		)
Gains (losses) on derivatives:
Balance at beginning of period	4			(11		)
Other comprehensive income before reclassifications (net tax effect of $4 and $15)	(18		)	26
Reclassification to income (net tax effect of $1 and $9)	(5		)	13
Balance at end of period	(19		)	28
Pension and postretirement plans:
Balance at beginning of period	(106		)	(405		)
Other comprehensive income before reclassifications (net tax effect of $1 and $3)	(3		)	(3		)
Reclassification to income (net tax effect of $0 and $2)	4			7
Balance at end of period	(105		)	(401		)
Accumulated other comprehensive loss, end of period	$	(436	)	$	(1,087	)

(1) Includes losses of $37 million and $30 million for the three months endedMarch 31, 2018 and 2017, respectively, related to non-derivative net investment hedges, principally offset by the foreign currency impact of intra-entity loans that are of a long-term investment nature in each period. Refer to Note 14. Derivatives and Hedging Activities for further description of these hedges.

Reclassifications out of Accumulated Other Comprehensive Income

Reclassifications from accumulated other comprehensive income (loss) to income for the three months endedMarch 31, 2018 and 2017 were as follows:

Reclassification Out of Accumulated Other Comprehensive Income (Loss)
Details About Accumulated Other Comprehensive Income Components	Three Months Ended March 31,						Affected Line Item in the Statement of Operations
	2018			2017
	(in millions)
Gains (losses) on derivatives:
Commodity derivatives	$	9		$	1		Cost of sales
Foreign currency derivatives	(5		)	(23		)	Cost of sales
	4			(22		)	Income before income taxes
	1			9			Income tax expense
	5			(13		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	5		$	(13	)	Net income attributable to Aptiv
Pension and postretirement plans:
Actuarial losses	$	(4	)	$	(9	)	Other income (expense), net (1)
	(4		)	(9		)	Income before income taxes
	—			2			Income tax expense
	(4		)	(7		)	Net income
	—			—			Net income attributable to noncontrolling interest
	$	(4	)	$	(7	)	Net income attributable to Aptiv
Total reclassifications for the period	$	1		$	(20	)

(1) These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 9. Pension Benefits for additional details).

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Derivatives And Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2018

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

As of March 31, 2018, the Company had the following outstanding notional amounts related to commodity and foreign currency forward and option contracts designated as cash flow hedges that were entered into to hedge forecasted exposures:

Commodity	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in thousands)		(in millions)
Copper	74,845	pounds	$	230

Foreign Currency	Quantity Hedged	Unit of Measure	Notional Amount (Approximate USD Equivalent)
	(in millions)
Mexican Peso	12,078	MXN	$	660
Chinese Yuan Renminbi	2,192	RMB	350
Polish Zloty	321	PLN	95
New Turkish Lira	145	TRY	35

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

The fair value of derivative financial instruments recorded in the consolidated balance sheets as of March 31, 2018 and December 31, 2017 are as follows:

	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	March 31, 2018		Balance Sheet Location	March 31, 2018		March 31, 2018
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	9	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	22		Other current assets	8		$	14
Foreign currency derivatives*	Accrued liabilities	3		Accrued liabilities	15		(12		)
Foreign currency derivatives*	Other long-term assets	2		Other long-term assets	—		2
Foreign currency derivatives*	Other long-term liabilities	3		Other long-term liabilities	8		(5		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	18
Total derivatives designated as hedges		$	39		$	49
Derivatives not designated:
Foreign currency derivatives*	Other current assets	$	11	Other current assets	$	—	11
Total derivatives not designated as hedges		$	11		$	—

	Asset Derivatives			Liability Derivatives			Net Amounts of Assets and (Liabilities) Presented in the Balance Sheet
	Balance Sheet Location	December 31, 2017		Balance Sheet Location	December 31, 2017		December 31, 2017
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	Other current assets	$	27	Accrued liabilities	$	—
Foreign currency derivatives*	Other current assets	3		Other current assets	—		$	3
Foreign currency derivatives*	Accrued liabilities	7		Accrued liabilities	17		(10		)
Commodity derivatives	Other long-term assets	8		Other long-term liabilities	—
Foreign currency derivatives*	Other long-term liabilities	—		Other long-term liabilities	11		(11		)
Derivatives designated as net investment hedges:
Foreign currency derivatives	Other current assets	—		Accrued liabilities	5
Total derivatives designated as hedges		$	45		$	33

* Derivative instruments within this category are subject to master netting arrangements and are presented on a net basis in the consolidated balance sheets in accordance with accounting guidance related to the offsetting of amounts related to certain contracts.

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2018 is as follows:

Three Months Ended March 31, 2018	(Loss) Gain Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	(17	)	$	9		$	—
Foreign currency derivatives	16			(5		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(13		)	—			—
Total	$	(14	)	$	4		$	—

	Gain Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	10
Total	$	10

The pre-tax effect of derivative financial instruments in the consolidated statement of operations and consolidated statement of comprehensive income for the three months endedMarch 31, 2017 is as follows:

Three Months Ended March 31, 2017	Gain (Loss) Recognized in OCI (Effective Portion)			Gain (Loss) Reclassified from OCI into Income (Effective Portion)			Gain Recognized in Income (Ineffective Portion Excluded from Effectiveness Testing)
	(in millions)
Derivatives designated as cash flow hedges:
Commodity derivatives	$	9		$	1		$	—
Foreign currency derivatives	42			(23		)	—
Derivatives designated as net investment hedges:
Foreign currency derivatives	(10		)	—			—
Total	$	41		$	(22	)	$	—

	Loss Recognized in Income
	(in millions)
Derivatives not designated:
Foreign currency derivatives	$	(4	)
Total	$	(4	)

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Fair Value Of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]

Changes in Fair Value of Liabilities Measured on Recurring Basis with Unobservable Inputs

The changes in the contingent consideration liability classified as a Level 3 measurement for the three months endedMarch 31, 2018 were as follows:

	Contingent Consideration Liability
	(in millions)
Fair value at beginning of period	$	33
Additions	—
Payments	—
Interest accretion	—
Fair value at end of period	$	33

Fair Value, Assets Measured on Recurring Basis

As of March 31, 2018 and December 31, 2017, Aptiv had the following assets measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Commodity derivatives	$	9	$	—	$	9	$	—
Foreign currency derivatives	27		—		27		—
Total	$	36	$	—	$	36	$	—
As of December 31, 2017:
Commodity derivatives	$	35	$	—	$	35	$	—
Foreign currency derivatives	3		—		3		—
Total	$	38	$	—	$	38	$	—

Fair Value, Liabilities Measured on Recurring Basis

As of March 31, 2018 and December 31, 2017, Aptiv had the following liabilities measured at fair value on a recurring basis:

	Total		Quoted Prices in Active Markets Level 1		Significant Other Observable Inputs Level 2		Significant Unobservable Inputs Level 3
	(in millions)
As of March 31, 2018:
Foreign currency derivatives	$	35	$	—	$	35	$	—
Contingent consideration	33		—		—		33
Total	$	68	$	—	$	35	$	33
As of December 31, 2017:
Foreign currency derivatives	$	26	$	—	$	26	$	—
Contingent consideration	33		—		—		33
Total	$	59	$	—	$	26	$	33

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Other Income, Net (Tables)

3 Months Ended

Mar. 31, 2018

Other Income and Expenses [Abstract]

Interest and Other Income

Other income (expense), net included:

	Three Months Ended March 31,
	2018			2017
	(in millions)
Interest income	$	5		$	1
Components of net periodic benefit cost other than service cost (Note 9)	(6		)	(4		)
Reserve for Unsecured Creditors litigation	—			(27		)
Benefits (costs) associated with acquisitions	11			—
Other, net	20			7
Other income (expense), net	$	30		$	(23	)

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Acquisitions And Divestitures (Tables)

3 Months Ended

Mar. 31, 2018

Business Acquisition [Line Items]

Schedule of Technology Investments

As of March 31, 2018, the Company had the following technology investments, which are classified within other long-term assets in the consolidated balance sheet:

Investment Name	Segment	Investment Date	Investment (in millions)
Innoviz Technologies	Advanced Safety and User Experience	Q3 2017	$	15
LeddarTech, Inc.	Advanced Safety and User Experience	Q3 2017	10
Valens Semiconductor Ltd.	Signal and Power Solutions	Q2 2017	10
Otonomo Technologies Ltd.	Advanced Safety and User Experience	Q1 2017	15
Quanergy Systems, Inc	Advanced Safety and User Experience	Q2 2015; Q1 2016	6
			$	56

nuTonomy

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The purchase price and related allocation to the acquired net assets of nuTonomy based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	284
Purchase price, fair value of contingent consideration	24
Total purchase price, net of cash acquired	$	308
Intangible assets	$	102
Other liabilities, net	(40		)
Identifiable net assets acquired	62
Goodwill resulting from purchase	246
Total purchase price allocation	$	308

Movimento

Business Acquisition [Line Items]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The purchase price and related allocation to the acquired net assets of Movimento based on their estimated fair values is shown below (in millions):

Assets acquired and liabilities assumed

Purchase price, cash consideration, net of cash acquired	$	40
Purchase price, fair value of contingent consideration	8
Total purchase price, net of cash acquired	$	48
Intangible assets	$	22
Other liabilities, net	(2		)
Identifiable net assets acquired	20
Goodwill resulting from purchase	28
Total purchase price allocation	$	48

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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation Restricted Stock Units Performance Awards Weighting

Each executive will receive between 0% and 200% of his or her target performance-based award based on the Company’s performance against established company-wide performance metrics, which are:

Metric	2016 - 2018 Grants	2014 - 2015 Grants
Average return on net assets (1)	50%	50%
Cumulative net income	25%	N/A
Cumulative earnings per share (2)	N/A	30%
Relative total shareholder return (3)	25%	20%

(1) Average return on net assets is measured by tax-affected operating income divided by average net working capital plus average net property, plant and equipment for each calendar year during the respective performance period.

(2) Cumulative earnings per share is measured by net income attributable to Aptiv divided by the weighted average number of diluted shares outstanding for the respective three-year performance period.

(3) Relative total shareholder return is measured by comparing the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the end of the performance period to the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the year preceding the grant, including dividends, and assessed against a comparable measure of competitor and peer group companies.

Schedule of Executive RSU Grants

The details of the executive grants were as follows:

Grant Date	RSUs Granted	Grant Date Fair Value		Time-Based Award Vesting Dates	Performance-Based Award Vesting Date
	(in millions)
February 2014	0.78	$	53	Annually on anniversary of grant date, 2015 - 2017	December 31, 2016
February 2015	0.90	76		Annually on anniversary of grant date, 2016 - 2018	December 31, 2017
February 2016	0.71	48		Annually on anniversary of grant date, 2017 - 2019	December 31, 2018
February 2017	0.80	63		Annually on anniversary of grant date, 2018 - 2020	December 31, 2019
February 2018	0.63	61		Annually on anniversary of grant date, 2019 - 2021	December 31, 2020

Schedule of Share-based Compensation Restricted Stock Units Award Activity

A summary of RSU activity, including award grants, vesting and forfeitures is provided below:

	RSUs		Weighted Average Grant Date Fair Value
	(in thousands)
Nonvested, January 1, 2018	1,807		$	68.66
Granted	690		96.35
Vested	(279	)	64.18
Forfeited	(45	)	66.70
Nonvested, March 31, 2018	2,173		78.00

XML

Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements [Abstract]

Schedule of Condensed Income Statement

Statement of Operations Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,630		$	—		$	3,630
Operating expenses:
Cost of sales	—			—			—			2,947			—			2,947
Selling, general and administrative	(4		)	—			—			263			—			259
Amortization	—			—			—			30			—			30
Restructuring	—			—			—			20			—			20
Total operating expenses	(4		)	—			—			3,260			—			3,256
Operating income	4			—			—			370			—			374
Interest (expense) income	(61		)	(7		)	(43		)	(1		)	78			(34		)
Other income (expense), net	—			—			—			108			(78		)	30
(Loss) income from continuing operations before income taxes and equity income	(57		)	(7		)	(43		)	477			—			370
Income tax benefit (expense)	—			—			10			(69		)	—			(59		)
(Loss) income from continuing operations before equity income	(57		)	(7		)	(33		)	408			—			311
Equity in net income of affiliates	—			—			—			5			—			5
Equity in net income (loss) of subsidiaries	364			356			(8		)	—			(712		)	—
Income (loss) from continuing operations	307			349			(41		)	413			(712		)	316
Income from discontinued operations, net of tax	—			—			—			—			—			—
Net income (loss)	307			349			(41		)	413			(712		)	316
Net income attributable to noncontrolling interest	—			—			—			9			—			9
Net income (loss) attributable to Aptiv	$	307		$	349		$	(41	)	$	404		$	(712	)	$	307

Statement of Operations Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net sales	$	—		$	—		$	—		$	3,143		$	—		$	3,143
Operating expenses:
Cost of sales	—			—			—			2,544			—			2,544
Selling, general and administrative	6			—			—			219			—			225
Amortization	—			—			—			29			—			29
Restructuring	—			—			—			52			—			52
Total operating expenses	6			—			—			2,844			—			2,850
Operating (loss) income	(6		)	—			—			299			—			293
Interest (expense) income	(59		)	(3		)	(43		)	(1		)	73			(33		)
Other income (expense), net	—			10			1			39			(73		)	(23		)
(Loss) income from continuing operations before income taxes and equity income	(65		)	7			(42		)	337			—			237
Income tax benefit (expense)	—			—			15			(34		)	—			(19		)
(Loss) income from continuing operations before equity income	(65		)	7			(27		)	303			—			218
Equity in net income of affiliates	—			—			—			11			—			11
Equity in net income (loss) of subsidiaries	400			377			(30		)	—			(747		)	—
Income (loss) from continuing operations	335			384			(57		)	314			(747		)	229
Income from discontinued operations, net of tax	—			—			—			123			—			123
Net income (loss)	335			384			(57		)	437			(747		)	352
Net income attributable to noncontrolling interest	—			—			—			17			—			17
Net income (loss) attributable to Aptiv	$	335		$	384		$	(57	)	$	420		$	(747	)	$	335

Schedule of Comprehensive Income (Loss)

Statement of Comprehensive Income Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors			Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net income (loss)	$	307		$	349		$	(41	)	$	413		$	(712	)	$	316
Other comprehensive (loss) income:
Currency translation adjustments	(37		)	—			—			98			—			61
Net change in unrecognized loss on derivative instruments, net of tax	—			—			—			(23		)	—			(23		)
Employee benefit plans adjustment, net of tax	—			—			—			1			—			1
Other comprehensive (loss) income	(37		)	—			—			76			—			39
Equity in other comprehensive income (loss) of subsidiaries	72			(66		)	21			—			(27		)	—
Comprehensive income (loss)	342			283			(20		)	489			(739		)	355
Comprehensive income attributable to noncontrolling interests	—			—			—			13			—			13
Comprehensive income (loss) attributable to Aptiv	$	342		$	283		$	(20	)	$	476		$	(739	)	$	342

Statement of Comprehensive Income Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor			Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
Net income (loss)	$	335		$	384	$	(57	)	$	437	$	(747	)	$	352
Other comprehensive (loss) income:
Currency translation adjustments	(30		)	—		—			116		—			86
Net change in unrecognized gain on derivative instruments, net of tax	—			—		—			39		—			39
Employee benefit plans adjustment, net of tax	—			—		—			4		—			4
Other comprehensive (loss) income	(30		)	—		—			159		—			129
Equity in other comprehensive income (loss) of subsidiaries	158			29		48			—		(235		)	—
Comprehensive income (loss)	463			413		(9		)	596		(982		)	481
Comprehensive income attributable to noncontrolling interests	—			—		—			18		—			18
Comprehensive income (loss) attributable to Aptiv	$	463		$	413	$	(9	)	$	578	$	(982	)	$	463

Schedule of Condensed Balance Sheet

Balance Sheet as of March 31, 2018

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	2	$	—	$	—	$	1,343	$	—		$	1,345
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,646		—			2,646
Intercompany receivables, current	52		15		1,707		10,211		(11,985		)	—
Inventories	—		—		—		1,202		—			1,202
Other current assets	—		—		—		732		—			732
Total current assets	54		15		1,707		16,135		(11,985		)	5,926
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,399		(2,167		)	—
Property, net	—		—		—		2,890		—			2,890
Investments in affiliates	—		—		—		101		—			101
Investments in subsidiaries	12,417		14,636		2,156		—		(29,209		)	—
Intangible assets, net	—		—		—		3,184		—			3,184
Other long-term assets	65		—		7		387		—			459
Total long-term assets	12,482		14,636		2,931		7,961		(31,376		)	6,634
Total assets	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	55	$	5	$	—		$	60
Accounts payable	1		—		—		2,281		—			2,282
Intercompany payables, current	5,986		3,375		1,073		1,551		(11,985		)	—
Accrued liabilities	27		—		3		1,336		—			1,366
Total current liabilities	6,014		3,375		1,131		5,173		(11,985		)	3,708
Long-term liabilities:
Long-term debt	3,055		—		1,074		34		—			4,163
Intercompany payables, long-term	—		—		1,315		852		(2,167		)	—
Pension benefit obligations	—		—		—		460		—			460
Other long-term liabilities	—		—		—		531		—			531
Total long-term liabilities	3,055		—		2,389		1,877		(2,167		)	5,154
Total liabilities	9,069		3,375		3,520		7,050		(14,152		)	8,862
Total Aptiv shareholders’ equity	3,467		11,276		1,118		16,815		(29,209		)	3,467
Noncontrolling interest	—		—		—		231		—			231
Total shareholders’ equity	3,467		11,276		1,118		17,046		(29,209		)	3,698
Total liabilities and shareholders’ equity	$	12,536	$	14,651	$	4,638	$	24,096	$	(43,361	)	$	12,560

Balance Sheet as of December 31, 2017

	Parent		Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries		Eliminations			Consolidated
	(in millions)
ASSETS
Current assets:
Cash and cash equivalents	$	1	$	—	$	—	$	1,595	$	—		$	1,596
Restricted cash	—		—		—		1		—			1
Accounts receivable, net	—		—		—		2,440		—			2,440
Intercompany receivables, current	50		16		82		9,867		(10,015		)	—
Inventories	—		—		—		1,083		—			1,083
Other current assets	—		—		—		521		—			521
Total current assets	51		16		82		15,507		(10,015		)	5,641
Long-term assets:
Intercompany receivables, long-term	—		—		768		1,366		(2,134		)	—
Property, net	—		—		—		2,804		—			2,804
Investments in affiliates	—		—		—		91		—			91
Investments in subsidiaries	11,987		12,599		3,416		—		(28,002		)	—
Intangible assets, net	—		—		—		3,163		—			3,163
Other long-term assets	60		—		8		402		—			470
Total long-term assets	12,047		12,599		4,192		7,826		(30,136		)	6,528
Total assets	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt	$	—	$	—	$	13	$	4	$	—		$	17
Accounts payable	2		—		—		2,225		—			2,227
Intercompany payables, current	5,689		1,736		1,032		1,558		(10,015		)	—
Accrued liabilities	91		—		10		1,195		—			1,296
Total current liabilities	5,782		1,736		1,055		4,982		(10,015		)	3,540
Long-term liabilities:
Long-term debt	3,017		—		1,078		37		—			4,132
Intercompany payables, long-term	—		—		1,297		837		(2,134		)	—
Pension benefit obligations	—		—		—		454		—			454
Other long-term liabilities	—		—		—		526		—			526
Total long-term liabilities	3,017		—		2,375		1,854		(2,134		)	5,112
Total liabilities	8,799		1,736		3,430		6,836		(12,149		)	8,652
Total Aptiv shareholders’ equity	3,299		10,879		844		16,279		(28,002		)	3,299
Noncontrolling interest	—		—		—		218		—			218
Total shareholders’ equity	3,299		10,879		844		16,497		(28,002		)	3,517
Total liabilities and shareholders’ equity	$	12,098	$	12,615	$	4,274	$	23,333	$	(40,151	)	$	12,169

Schedule of Condensed Cash Flow Statement

Statement of Cash Flows for the Three Months Ended March 31, 2018

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(36	)	$	—	$	—	$	222		$	—		$	186
Net cash used in operating activities from discontinued operations	—			—		—		(31		)	—			(31		)
Net cash (used in) provided by operating activities	(36		)	—		—		191			—			155
Cash flows from investing activities:
Capital expenditures	—			—		—		(243		)	—			(243		)
Proceeds from sale of property / investments	—			—		—		3			—			3
Deposit for acquisition of KUM	(5		)	—		—		—			—			(5		)
Loans to affiliates	—			—		—		(250		)	250			—
Net cash (used in) provided by investing activities from continuing operations	(5		)	—		—		(490		)	250			(245		)
Net cash provided by investing activities from discontinued operations	—			—		—		—			—			—
Net cash (used in) provided by investing activities	(5		)	—		—		(490		)	250			(245		)
Cash flows from financing activities:
Net borrowings under other short-term debt agreements	—			—		—		35			—			35
Proceeds from borrowings from affiliates	250			—		—		—			(250		)	—
Repurchase of ordinary shares	(149		)	—		—		—			—			(149		)
Distribution of cash dividends	(59		)	—		—		—			—			(59		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(32		)	—			(32		)
Net cash provided by (used in) financing activities	42			—		—		3			(250		)	(205		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		44			—			44
Increase (decrease) in cash, cash equivalents and restricted cash	1			—		—		(252		)	—			(251		)
Cash, cash equivalents and restricted cash at beginning of period	1			—		—		1,596			—			1,597
Cash, cash equivalents and restricted cash at end of period	$	2		$	—	$	—	$	1,344		$	—		$	1,346
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	—		$	—		$	—
Cash, cash equivalents and restricted cash of continuing operations	$	2		$	—	$	—	$	1,344		$	—		$	1,346

Statement of Cash Flows for the Three Months Ended March 31, 2017

	Parent			Subsidiary Guarantors		Subsidiary Issuer/Guarantor		Non-Guarantor Subsidiaries			Eliminations			Consolidated
	(in millions)
Net cash (used in) provided by operating activities from continuing operations	$	(26	)	$	—	$	—	$	284		$	—		$	258
Net cash provided by operating activities from discontinued operations	—			—		—		32			—			32
Net cash (used in) provided by operating activities	(26		)	—		—		316			—			290
Cash flows from investing activities:
Capital expenditures	—			—		—		(164		)	—			(164		)
Cost of business acquisitions, net of cash acquired	—			—		—		(40		)	—			(40		)
Cost of technology investments	—			—		—		(15		)	—			(15		)
Loans to affiliates	—			—		—		(297		)	297			—
Net cash (used in) provided by investing activities from continuing operations	—			—		—		(516		)	297			(219		)
Net cash used in investing activities from discontinued operations	—			—		—		(51		)	—			(51		)
Net cash (used in) provided by investing activities	—			—		—		(567		)	297			(270		)
Cash flows from financing activities:
Net repayments under other short-term debt agreements	—			—		—		(4		)	—			(4		)
Contingent consideration and deferred acquisition purchase price payments	—			—		—		(20		)	—			(20		)
Dividend payments of consolidated affiliates to minority shareholders	—			—		—		(10		)	—			(10		)
Proceeds from borrowings from affiliates	297			—		—		—			(297		)	—
Repurchase of ordinary shares	(194		)	—		—		—			—			(194		)
Distribution of cash dividends	(78		)	—		—		—			—			(78		)
Taxes withheld and paid on employees' restricted share awards	—			—		—		(26		)	—			(26		)
Net cash provided by (used in) financing activities	25			—		—		(60		)	(297		)	(332		)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	—			—		—		21			—			21
Decrease in cash, cash equivalents and restricted cash	(1		)	—		—		(290		)	—			(291		)
Cash, cash equivalents and restricted cash at beginning of period	2			—		—		837			—			839
Cash, cash equivalents and restricted cash at end of period	$	1		$	—	$	—	$	547		$	—		$	548
Cash, cash equivalents and restricted cash of discontinued operations	$	—		$	—	$	—	$	61		$	—		$	61
Cash, cash equivalents and restricted cash of continuing operations	$	1		$	—	$	—	$	486		$	—		$	487

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

Included below are sales and operating data for Aptiv’s segments for the three months endedMarch 31, 2018 and 2017.

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2018:
Net sales	$	2,617	$	1,032	$	(19	)	$	3,630
Depreciation & amortization	$	119	$	36	$	—		$	155
Adjusted operating income	$	351	$	76	$	—		$	427
Operating income	$	322	$	52	$	—		$	374
Equity income, net of tax	$	5	$	—	$	—		$	5
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other (1)			Total
	(in millions)
For the Three Months Ended March 31, 2017:
Net sales	$	2,342	$	821	$	(20	)	$	3,143
Depreciation & amortization	$	102	$	24	$	—		$	126
Adjusted operating income	$	309	$	43	$	—		$	352
Operating income	$	291	$	2	$	—		$	293
Equity income, net of tax	$	11	$	—	$	—		$	11
Net income attributable to noncontrolling interest	$	9	$	—	$	—		$	9

(1) Eliminations and Other includes the elimination of inter-segment transactions.

Reconciliation of Segment Adjusted OI to Consolidated Net Income

The reconciliation of Adjusted Operating Income to Operating Income includes, as applicable, restructuring, other acquisition and portfolio project costs (which includes costs incurred to integrate acquired businesses and to plan and execute product portfolio transformation actions, including business and product acquisitions and divestitures), asset impairments, gains (losses) on business divestitures and deferred compensation related to acquisitions. The reconciliation of Adjusted Operating Income to net income attributable to Aptiv for the three months endedMarch 31, 2018 and 2017 are as follows:

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2018:
Adjusted operating income	$	351		$	76		$	—	$	427
Restructuring	(18		)	(2		)	—		(20		)
Other acquisition and portfolio project costs	(11		)	(8		)	—		(19		)
Deferred compensation related to nuTonomy acquisition	—			(14		)	—		(14		)
Operating income	$	322		$	52		$	—	374
Interest expense									(34		)
Other income, net									30
Income from continuing operations before income taxes and equity income									370
Income tax expense									(59		)
Equity income, net of tax									5
Income from continuing operations									316
Income from discontinued operations, net of tax									—
Net income									316
Net income attributable to noncontrolling interest									9
Net income attributable to Aptiv									$	307

	Signal and Power Solutions			Advanced Safety and User Experience			Eliminations and Other		Total
	(in millions)
For the Three Months Ended March 31, 2017:
Adjusted operating income	$	309		$	43		$	—	$	352
Restructuring	(13		)	(39		)	—		(52		)
Other acquisition and portfolio project costs	(5		)	(1		)	—		(6		)
Asset impairments	—			(1		)	—		(1		)
Operating income	$	291		$	2		$	—	293
Interest expense									(33		)
Other expense, net									(23		)
Income from continuing operations before income taxes and equity income									237
Income tax expense									(19		)
Equity income, net of tax									11
Income from continuing operations									229
Income from discontinued operations, net of tax									123
Net income									352
Net income attributable to noncontrolling interest									17
Net income attributable to Aptiv									$	335

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2018

Discontinued Operations [Abstract]

Schedule of Reconciliation of Major Classes of Profit or Loss of Discontinued Operations

A reconciliation of the major classes of line items constituting pre-tax profit or loss of discontinued operations to income from discontinued operations, net of tax as presented in the consolidated statements of operations is as follows:

	Three Months Ended March 31,
	2017
	(in millions)
Net sales	$	1,149
Cost of sales	901
Selling, general and administrative	63
Amortization	4
Restructuring	10
Other income and (expense) items that are not major, net	(6		)
Income from discontinued operations before income taxes and equity income	165
Income tax expense on discontinued operations	(42		)
Income from discontinued operations, net of tax	123
Income from discontinued operations attributable to noncontrolling interests	8
Net income from discontinued operations attributable to Aptiv	$	115

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Revenue (Tables)

3 Months Ended

Mar. 31, 2018

Disaggregation of Revenue [Abstract]

Disaggregation of Revenue

Revenue generated from Aptiv's operating segments are disaggregated by primary geographic market in the following tables. Information concerning geographic market reflects the manufacturing location.

For the Three Months Ended March 31, 2018:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	1,020	$	335	$	(4	)	$	1,351
Europe, Middle East & Africa	837		437		(5		)	1,269
Asia Pacific	687		259		(10		)	936
South America	73		1		—			74
Total	$	2,617	$	1,032	$	(19	)	$	3,630

For the Three Months Ended March 31, 2017:	Signal and Power Solutions		Advanced Safety and User Experience		Eliminations and Other			Total
	(in millions)
Geographic Market
North America	$	955	$	307	$	(4	)	$	1,258
Europe, Middle East & Africa	715		323		(7		)	1,031
Asia Pacific	611		189		(9		)	791
South America	61		2		—			63
Total	$	2,342	$	821	$	(20	)	$	3,143

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General (Details)			5 Months Ended	11 Months Ended
	Dec. 04, 2017	Nov. 22, 2017	May 19, 2011	Nov. 22, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Formation of PLC			May 19, 2011
Initial Offering Period				November 22, 2011
Distribution Date	Dec. 04, 2017
Record Date		Nov. 22, 2017

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Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Significant Accounting Policies [Line Items]
Other Long-term Investments	$ 56		$ 56
Adjustment for recently adopted accounting pronouncements	(9)
Intangible assets, net (excluding goodwill)	1,204		1,219
Amortization of intangible assets	30	$ 29
Goodwill	1,980		1,944
Components of net periodic benefit cost other than service cost	6	$ 4
Other Long-Term Assets
Significant Accounting Policies [Line Items]
Other Long-term Investments	56		56
GM
Significant Accounting Policies [Line Items]
Accounts and Other Receivables	237		204
VW
Significant Accounting Policies [Line Items]
Accounts and Other Receivables	$ 165		$ 145
Customer Concentration Risk | Total Net Sales | GM & VW
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales	19.00%	24.00%
Customer Concentration Risk | Total Net Sales | GM
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales	11.00%	15.00%
Customer Concentration Risk | Total Net Sales | VW
Significant Accounting Policies [Line Items]
Percentage of Total Net Sales	8.00%	9.00%
Retained Earnings
Significant Accounting Policies [Line Items]
Adjustment for recently adopted accounting pronouncements	$ (9)

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Inventories (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Productive material	$ 675	$ 584
Work-in-process	107	100
Finished goods	420	399
Total	$ 1,202	$ 1,083

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Assets Current Assets (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Value added tax receivable	$ 162	$ 160
Prepaid insurance and other expenses	116	104
Reimbursable engineering costs	44	33
Notes receivable	15	16
Income and other taxes receivable	62	46
Deposits to vendors	8	8
Derivative financial instruments	34	30
Accounts receivable to be remitted to Delphi Technologies	289	123
Other	2	1
Total	$ 732	$ 521

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Assets Non Current assets (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred income taxes	$ 183	$ 185
Unamortized Revolving Credit Facility debt issuance costs	7	8
Income and other taxes receivable	11	22
Reimbursable engineering costs	72	66
Value added tax receivable	38	37
Other Long-term Investments	56	56
Derivative financial instruments	2	8
Other	90	88
Total	$ 459	$ 470

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Liabilities Other Liabilities, Current (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Other Liabilities Disclosure [Abstract]
Payroll-related obligations	$ 238	$ 218
Employee benefits, including current pension obligations	74	116
Income and other taxes payable	234	233
Warranty obligations	46	41
Restructuring	81	90
Customer deposits	32	28
Derivative financial instruments	30	15
Accrued interest	29	41
Dividends Payable	0	59
Accounts payable to be remitted on behalf of Delphi Technologies	267	132
Other	335	323
Total	$ 1,366	$ 1,296

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Liabilities Other Liabilities, Non Current (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Other Liabilities Disclosure [Abstract]
Environmental	$ 4	$ 4
Extended disability benefits	9	9
Warranty obligations	17	17
Restructuring	40	42
Payroll-related obligations	10	10
Accrued income taxes	156	154
Deferred income taxes	218	222
Derivative financial instruments	5	11
Other	72	57
Total	$ 531	$ 526

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Warranty Obligations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Accrual balance at beginning of period	$ 58
Provision for estimated warranties incurred during the period	9
Provision for changes in estimate for pre-existing warranties	2
Settlements made during the period (in cash or in kind)	(8)
Foreign currency translation and other	2
Accrual balance at end of period	63
Minimum | Product Warranty
Product Warranty Liability [Line Items]
Range of Possible Loss, Portion Not Accrued	0
Maximum | Product Warranty
Product Warranty Liability [Line Items]
Range of Possible Loss, Portion Not Accrued	$ 25
Advanced Safety and User Experience
Product Warranty Liability [Line Items]
Specific Warranty Expense		$ 43

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Restructuring Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 20	$ 52
Asset Impairment Charges		1
Restructuring, Cash Expenditures	36	34
Cost of Sales | Fair Value, Measurements, Nonrecurring
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges	0	1
Advanced Safety and User Experience
Restructuring Cost and Reserve [Line Items]
Restructuring	2	39
EMEA | European Footprint Rotation
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 12
Plant Closure | EMEA | Advanced Safety and User Experience | European Footprint Rotation
Restructuring Cost and Reserve [Line Items]
Restructuring		$ 36

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Restructuring Restructuring Costs by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 20	$ 52
Signal and Power Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring	18	13
Advanced Safety and User Experience
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 2	$ 39

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Restructuring Restructuring Liability (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 132
Restructuring Charges	20	$ 52
Payments made during the period	(36)	$ (34)
Foreign currency and other	5
Ending Balance	121
Employee Termination Benefits Liability
Restructuring Reserve [Roll Forward]
Beginning Balance	131
Restructuring Charges	20
Payments made during the period	(36)
Foreign currency and other	5
Ending Balance	120
Other Exit Costs Liability
Restructuring Reserve [Roll Forward]
Beginning Balance	1
Restructuring Charges	0
Payments made during the period	0
Foreign currency and other	0
Ending Balance	$ 1

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Debt Outstanding (Details) - USD ($) $ in Millions								3 Months Ended
	Sep. 28, 2017	Sep. 20, 2016	Sep. 15, 2016	Nov. 19, 2015	Mar. 10, 2015	Mar. 03, 2014	Feb. 14, 2013	Mar. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Capital leases and other								$ 80	$ 42
Total debt								4,223	4,149
Less: current portion								(60)	(17)
Long-term debt								4,163	4,132
Senior Notes | Senior Notes, 3.15% Due 2020
Debt Instrument [Line Items]
Long-term debt								$ 647	647
Debt Instrument, Interest Rate, Stated Percentage				3.15%				3.15%
Debt Instrument, Maturity Date				Nov. 19, 2020				Nov. 19, 2020
Unamortized debt issuance costs								$ 2	2
Unamortized discount								1	1
Senior Notes | Senior Notes, 5.000% Due 2023
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Debt Instrument, Maturity Date							Feb. 15, 2023
Senior Notes | Senior Notes, 4.150% Due 2024
Debt Instrument [Line Items]
Long-term debt								$ 695	695
Debt Instrument, Interest Rate, Stated Percentage						4.15%		4.15%
Debt Instrument, Maturity Date						Mar. 15, 2024		Mar. 15, 2024
Unamortized debt issuance costs								$ 4	4
Unamortized discount								1	1
Senior Notes | Euro-Denominated Senior Notes, 1.500% Due 2025
Debt Instrument [Line Items]
Long-term debt								$ 855	833
Debt Instrument, Interest Rate, Stated Percentage					1.50%			1.50%
Debt Instrument, Maturity Date					Mar. 10, 2025			Mar. 10, 2025
Unamortized debt issuance costs								$ 4	4
Unamortized discount								3	3
Senior Notes | Senior Notes, 4.25% Due 2026
Debt Instrument [Line Items]
Long-term debt								$ 646	646
Debt Instrument, Interest Rate, Stated Percentage				4.25%				4.25%
Debt Instrument, Maturity Date				Jan. 15, 2026				Jan. 15, 2026
Unamortized debt issuance costs								$ 4	4
Senior Notes | Euro-denominated Senior Notes, 1.600% Due 2028
Debt Instrument [Line Items]
Long-term debt								$ 611	595
Debt Instrument, Interest Rate, Stated Percentage			1.60%					1.60%
Debt Instrument, Maturity Date			Sep. 15, 2028					Sep. 15, 2028
Unamortized debt issuance costs								$ 4	4
Unamortized discount								0	1
Senior Notes | Senior Notes, 4.400% Due 2046
Debt Instrument [Line Items]
Long-term debt								$ 295	295
Debt Instrument, Interest Rate, Stated Percentage		4.40%						4.40%
Debt Instrument, Maturity Date		Oct. 01, 2046						Oct. 01, 2046
Unamortized debt issuance costs								$ 3	3
Unamortized discount								2	2
Senior Notes | Spin-Off Senior Notes, 5.000% Due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Maturity Date	Oct. 01, 2025
Loans Payable | Tranche A Term Loan, Due 2021
Debt Instrument [Line Items]
Long-term debt								394	396
Unamortized debt issuance costs								$ 1	$ 2
JPMorgan Chase Bank, N.A. | Loans Payable | Tranche A Term Loan, Due 2021
Debt Instrument [Line Items]
Debt Instrument, Maturity Date								Aug. 17, 2021

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Debt Credit Agreement (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2016
Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Line of Credit Facility, Additional Borrowing Capacity	$ 1,000
Amended and Restated Credit Agreement | JPMorgan Chase Bank, N.A.
Line of Credit Facility [Line Items]
Covenant Compliance, Maximum Ratio of Indebtedness to EBITDA	350.00%
Amended and Restated Credit Agreement | Secured Debt
Line of Credit Facility [Line Items]
Letters of Credit issued	$ 7
Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Amounts drawn	0
Revolving Credit Facility | Revolving Credit Facility | JPMorgan Chase Bank, N.A.
Line of Credit Facility [Line Items]
Revolving Credit Facility, Maximum Borrowing Capacity	$ 2,000		$ 1,500
Revolving Credit Facility | Revolving Credit Facility | JPMorgan Chase Bank, N.A. | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.10%	1.10%
Revolving Credit Facility | Revolving Credit Facility | JPMorgan Chase Bank, N.A. | Administrative Agents Alternate Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.10%	0.10%
Tranche A Term Loan, Due 2021 | JPMorgan Chase Bank, N.A. | Loans Payable
Line of Credit Facility [Line Items]
Debt Instrument, Maturity Date	Aug. 17, 2021
Borrowings	$ 395
Tranche A Term Loan, Due 2021 | JPMorgan Chase Bank, N.A. | Loans Payable | LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.25%	1.25%
Rate effective	3.0625%
Tranche A Term Loan, Due 2021 | JPMorgan Chase Bank, N.A. | Loans Payable | Administrative Agents Alternate Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.25%	0.25%

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Debt Senior Unsecured Notes (Details) - Senior Notes € in Millions									3 Months Ended
	Sep. 28, 2017 USD ($)	Sep. 20, 2016 USD ($)	Sep. 15, 2016 USD ($)	Nov. 19, 2015 USD ($)	Mar. 10, 2015 USD ($)	Mar. 03, 2014 USD ($)	Feb. 14, 2013 USD ($)	May 17, 2011 USD ($)	Mar. 31, 2018	Sep. 15, 2016 EUR (€)	Mar. 10, 2015 EUR (€)
Spin-Off Senior Notes, 5.000% Due 2025
Debt Instrument [Line Items]
Senior notes issued	$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Maturity Date	Oct. 01, 2025
Senior Notes, 5.875% Due 2019
Debt Instrument [Line Items]
Senior notes issued								$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage								5.875%
Debt Instrument, Maturity Date								May 15, 2019
Senior Notes, 6.125% Due 2021
Debt Instrument [Line Items]
Senior notes issued								$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage								6.125%
Debt Instrument, Maturity Date								May 15, 2021
Senior Notes, 5.000% Due 2023
Debt Instrument [Line Items]
Senior notes issued							$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage							5.00%
Debt Instrument, Maturity Date							Feb. 15, 2023
Senior Notes, 4.150% Due 2024
Debt Instrument [Line Items]
Senior notes issued						$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage						4.15%			4.15%
Debt Instrument, Maturity Date						Mar. 15, 2024			Mar. 15, 2024
Payments of Debt Issuance Costs						$ 6,000,000
Debt Instrument, Price						99.649%
Debt Instrument, Interest Rate, Effective Percentage						4.193%
Euro-Denominated Senior Notes, 1.500% Due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									1.50%		1.50%
Debt Instrument, Maturity Date					Mar. 10, 2025				Mar. 10, 2025
Payments of Debt Issuance Costs					$ 5,000,000
Debt Instrument, Price											99.54%
Debt Instrument, Interest Rate, Effective Percentage											1.55%
Euro-Denominated Senior Notes, 1.500% Due 2025 | Designated as Hedging Instrument | Net Investment Hedging
Debt Instrument [Line Items]
Senior notes issued | €											€ 700
2015 Senior Notes
Debt Instrument [Line Items]
Senior notes issued				$ 1,300,000,000
Payments of Debt Issuance Costs				8,000,000
Senior Notes, 3.15% Due 2020
Debt Instrument [Line Items]
Senior notes issued				$ 650,000,000
Debt Instrument, Interest Rate, Stated Percentage				3.15%					3.15%
Debt Instrument, Maturity Date				Nov. 19, 2020					Nov. 19, 2020
Debt Instrument, Price				99.784%
Debt Instrument, Interest Rate, Effective Percentage				3.197%
Senior Notes, 4.25% Due 2026
Debt Instrument [Line Items]
Senior notes issued				$ 650,000,000
Debt Instrument, Interest Rate, Stated Percentage				4.25%					4.25%
Debt Instrument, Maturity Date				Jan. 15, 2026					Jan. 15, 2026
Debt Instrument, Price				99.942%
Debt Instrument, Interest Rate, Effective Percentage				4.256%
Euro-denominated Senior Notes, 1.600% Due 2028
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage									1.60%	1.60%
Debt Instrument, Maturity Date			Sep. 15, 2028						Sep. 15, 2028
Payments of Debt Issuance Costs			$ 4,000,000
Debt Instrument, Price										99.88%
Debt Instrument, Interest Rate, Effective Percentage										1.61%
Euro-denominated Senior Notes, 1.600% Due 2028 | Designated as Hedging Instrument | Net Investment Hedging
Debt Instrument [Line Items]
Senior notes issued | €										€ 500
Senior Notes, 4.400% Due 2046
Debt Instrument [Line Items]
Senior notes issued		$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage		4.40%							4.40%
Debt Instrument, Maturity Date		Oct. 01, 2046							Oct. 01, 2046
Payments of Debt Issuance Costs		$ 3,000,000
Debt Instrument, Price		99.45%
Debt Instrument, Interest Rate, Effective Percentage		4.43%

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Debt Other Financing (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2018 EUR (€)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Capital leases and other				$ 80	$ 42
Interest Paid	$ 45	$ 43
European Factoring Program | Accounts Receivable Factoring
Debt Instrument [Line Items]
Maximum Funding From Factoring Program | €			€ 300
Accounts receivable factoring borrowings				$ 0
European Factoring Program | EURIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	0.42%

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Debt Spin-Off Financing (Details) - USD ($) $ in Millions	Sep. 28, 2017	Sep. 07, 2017
Senior Notes | Spin-Off Senior Notes, 5.000% Due 2025
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 800
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Debt Instrument, Maturity Date	Oct. 01, 2025
JPMorgan Chase Bank, N.A. | Spin-Off Credit Agreement | Spin-Off Tranche A Term Loan
Debt Instrument [Line Items]
Loans Payable		$ 750

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Pension Benefits Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Defined Benefit Pension Plan, Postemployment Benefit Period	5 years
Liability, Other Retirement Benefits	$ 4	$ 4

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Pension Benefits Net Periodic Benefit Cost (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Non-U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 5	$ 4
Interest cost	7	7
Expected return on plan assets	(6)	(6)
Curtailment loss	1	0
Amortization of actuarial losses	4	3
Net periodic benefit cost	11	8
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	0	0
Expected return on plan assets	0	0
Curtailment loss	0	0
Amortization of actuarial losses	0	0
Net periodic benefit cost	$ 0	$ 0

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Commitments And Contingencies Unsecured Creditors Litigation (Details) - USD ($)	1 Months Ended	3 Months Ended			12 Months Ended
	Jul. 31, 2017	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Reserve for Unsecured Creditors Litigation		$ 0		$ 27,000,000
Unsecured Creditors Litigation
Loss Contingencies [Line Items]
Loss Contingency, Damages Sought, Value Per Unit in Excess of Benchmark		32.50
Loss Contingency, Damages Sought, Unit in Excess of Benchmark		67.50
Litigation, Damages Benchmark, Fourth LLP Agreement | Unsecured Creditors Litigation
Loss Contingencies [Line Items]
Cumulative Distribution Threshold		7,200,000,000
Reserve for Unsecured Creditors Litigation				$ 27,000,000
Unsecured Creditors litigation, amount of agreed settlement			$ (310,000,000)
Payments for Legal Settlements	$ 310,000,000
Maximum | Unsecured Creditors Litigation
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 300,000,000
Other income (expense), net | Judicial Ruling [Member] | Unsecured Creditors Litigation
Loss Contingencies [Line Items]
Reserve for Unsecured Creditors Litigation					$ 300,000,000

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Commitments And Contingencies Brazil Matters (Details) - Brazil $ in Millions	3 Months Ended
	Mar. 31, 2018 USD ($)
Loss Contingencies [Line Items]
Brazil Loss Contingency, Claims asserted against Delphi	$ 180
Loss Contingency Accrual, at Carrying Value	25
Minimum
Loss Contingencies [Line Items]
Range of Possible Loss, Portion Not Accrued	0
Maximum
Loss Contingencies [Line Items]
Range of Possible Loss, Portion Not Accrued	$ 155

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Commitments And Contingencies Environmental Matters (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Environmental Exit Cost [Line Items]
Accrual for Environmental Loss Contingencies	$ 5	$ 4
Accrued Environmental Loss Contingencies, Noncurrent	4	$ 4
Accrued Liabilities
Environmental Exit Cost [Line Items]
Accrued Environmental Loss Contingencies, Current	1
Other Long-Term Liabilities
Environmental Exit Cost [Line Items]
Accrued Environmental Loss Contingencies, Noncurrent	$ 4

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Income Tax Examination [Line Items]
Income tax expense	$ 59	$ 19
Effective tax rate	16.00%	8.00%
Income Tax Expense (Benefit) associated with discrete items	$ (1)	$ (8)
Cash taxes paid	$ 52	$ 63
UNITED STATES
Income Tax Examination [Line Items]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount			$ 50

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Shareholders' Equity And Net Income Per Share Weighted Average Shares Outstanding and Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Numerator:
Income from continuing operations	$ 307	$ 220
Income from discontinued operations	0	115
Net income attributable to Aptiv	$ 307	$ 335
Denominator:
Weighted average number of basic shares outstanding	265,690,000	269,200,000
Dilutive shares related to restricted stock units	750,000	340,000
Weighted average ordinary shares outstanding, including dilutive shares	266,440,000	269,540,000
Basic net income per share:
Income from continuing operations, per basic share	$ 1.16	$ 0.82
Income from discontinued operations, per basic share	0.00	0.42
Basic net income per share attributable to Aptiv	1.16	1.24
Diluted net income per share:
Income from continuing operations, per diluted share	1.15	0.82
Income from discontinued operations, per diluted share	0.00	0.42
Diluted net income per share attributable to Aptiv	$ 1.15	$ 1.24
Antidilutive securities share impact	0.00	0.00

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Shareholders' Equity And Net Income Per Share Share Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Share Repurchase Program [Line Items]
Stock Repurchased During Period, in shares	1,676,144	2,555,703
Stock Repurchased, Average Price per Share	$ 89.17	$ 75.52
Stock Repurchased During Period, Value	$ 149	$ 193
Share Repurchase Program April 2016
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount	1,500
Stock Repurchase Program, Remaining Authorized Repurchase Amount	840
Share Repurchase Program January 2015
Share Repurchase Program [Line Items]
Stock Repurchase Program, Authorized Amount	$ 1,500

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Shareholders' Equity And Net Income Per Share Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended						12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017
Cash dividends declared per share		$ 0				$ 0.29
Cash dividends per share		$ 0.22	$ 0.29	$ 0.29	$ 0.29	$ 0.29	$ 1.16
Payments of Cash Dividends		$ 59	$ 77	$ 77	$ 78	$ 78	$ 310
Subsequent Event
Cash dividends declared per share	$ 0.22

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Shareholders' Equity And Net Income Per Share Other (Details) - USD ($)			1 Months Ended	3 Months Ended	11 Months Ended
	Dec. 04, 2017	Nov. 22, 2017	Jul. 31, 2017	Mar. 31, 2018	Nov. 22, 2011
Shareholders' Equity and Net Income Per Share [Line Items]
Initial Offering Period					November 22, 2011
Distribution Date	Dec. 04, 2017
Record Date		Nov. 22, 2017
Unsecured Creditors Litigation
Shareholders' Equity and Net Income Per Share [Line Items]
Loss Contingency, Damages Sought, Value Per Unit in Excess of Benchmark				$ 32.50
Loss Contingency, Damages Sought, Unit in Excess of Benchmark				67.50
Unsecured Creditors Litigation | Litigation, Damages Benchmark, Fourth LLP Agreement
Shareholders' Equity and Net Income Per Share [Line Items]
Cumulative Distribution Threshold				7,200,000,000
Payments for Legal Settlements			$ 310,000,000
Maximum | Unsecured Creditors Litigation
Shareholders' Equity and Net Income Per Share [Line Items]
Loss Contingency, Estimate of Possible Loss				$ 300,000,000

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Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning of period		$ (471)
Accumulated other comprehensive income (loss), end of period		(436)	$ (1,087)
Designated as Hedging Instrument | Net Investment Hedging
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Gain (loss) on net investment hedge, net of tax		(37)	(30)
Foreign currency translation adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning of period		(369)	(799)
Aggregate adjustment for the period (1)	[1]	57	85
Accumulated other comprehensive income (loss), end of period		(312)	(714)
Unrealized gains (losses) on derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning of period		4	(11)
Other comprehensive income (loss) before reclassifications (net of tax effect)		(18)	26
Reclassification to income (net of tax effect)		(5)	13
Accumulated other comprehensive income (loss), end of period		(19)	28
Net tax effect of Other comprehensive income before reclassifications		4	15
Net tax effect of Reclassification Adjustment from AOCI on Derivatives		1	9
Pension and postretirement plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss), beginning of period		(106)	(405)
Other comprehensive income (loss) before reclassifications (net of tax effect)		(3)	(3)
Reclassification to income (net of tax effect)		4	7
Accumulated other comprehensive income (loss), end of period		(105)	(401)
Net tax effect of Other comprehensive income before reclassifications		1	3
Net tax effect of Reclassification Adjustment from AOCI, Pension and Other Postretirement Plans		$ 0	$ 2

[1] Includes losses of $37 million and $30 million for the three months ended March 31, 2018 and 2017, respectively, related to non-derivative net investment hedges, principally offset by the foreign currency impact of intra-entity loans that are of a long-term investment nature in each period. Refer to Note 14. Derivatives and Hedging Activities for further description of these hedges.

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Changes in Accumulated Other Comprehensive Income AOCI Reclassifications (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales		$ (2,947)	$ (2,544)
Income tax expense		(59)	(19)
Net income		316	352
Net income attributable to noncontrolling interest		(9)	(17)
Net income attributable to Aptiv		307	335
Amount Reclassified from Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income attributable to Aptiv		1	(20)
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes		4	(22)
Income tax expense		1	9
Net income		5	(13)
Net income attributable to noncontrolling interest		0	0
Net income attributable to Aptiv		5	(13)
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Commodity derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales		9	1
Amount Reclassified from Accumulated Other Comprehensive Income | Unrealized gains (losses) on derivatives | Foreign currency derivatives
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales		(5)	(23)
Amount Reclassified from Accumulated Other Comprehensive Income | Pension and postretirement plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Actuarial losses	[1]	(4)	(9)
Income before income taxes		(4)	(9)
Income tax expense		0	2
Net income		(4)	(7)
Net income attributable to noncontrolling interest		0	0
Net income attributable to Aptiv		$ (4)	$ (7)

[1] These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 9. Pension Benefits for additional details).

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Derivatives And Hedging Activities Cash Flow Hedges (Details) lb in Thousands, ₺ in Millions, ¥ in Millions, zł in Millions, $ in Millions, $ in Millions	Mar. 31, 2018 USD ($) lb	Mar. 31, 2018 MXN ($) lb	Mar. 31, 2018 CNY (¥) lb	Mar. 31, 2018 TRY (₺) lb	Mar. 31, 2018 PLN (zł) lb
Derivative [Line Items]
Net derivative gains (losses) included in accumulated other comprehensive income, before tax	$ 3
Net derivative gains (losses) included in accumulated other comprehensive income, after tax	$ 13
Cash Flow Hedging | Copper
Derivative [Line Items]
Notional amount of derivative, nonmonetary (in lbs) | lb	74,845	74,845	74,845	74,845	74,845
Notional amount of derivative	$ 230
Cash Flow Hedging | Foreign currency derivatives
Derivative [Line Items]
Additional Foreign Currency and Commodity Forward Contracts	10
Cash Flow Hedging | Foreign currency derivatives | Mexican Peso
Derivative [Line Items]
Notional amount of derivative	660	$ 12,078
Cash Flow Hedging | Foreign currency derivatives | Chinese Yuan Renminbi
Derivative [Line Items]
Notional amount of derivative	350		¥ 2,192
Cash Flow Hedging | Foreign currency derivatives | Polish Zloty
Derivative [Line Items]
Notional amount of derivative	95				zł 321
Cash Flow Hedging | Foreign currency derivatives | New Turkish Lira
Derivative [Line Items]
Notional amount of derivative	$ 35			₺ 145

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Derivatives And Hedging Activities Net Investment Hedges (Details) - Net Investment Hedging - Designated as Hedging Instrument € in Millions, $ in Millions, ¥ in Billions	1 Months Ended		3 Months Ended
	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 CNY (¥)	Jun. 30, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)	Sep. 15, 2016 EUR (€)	Mar. 10, 2015 EUR (€)
Derivative [Line Items]
Gain (loss) on net investment hedge, net of tax			$ (37)			$ (30)
Euro-Denominated Senior Notes, 1.500% Due 2025 | Senior Notes
Derivative [Line Items]
Debt instrument designated as net investment hedge | €												€ 700
Euro-denominated Senior Notes, 1.600% Due 2028 | Senior Notes
Derivative [Line Items]
Debt instrument designated as net investment hedge | €											€ 500
Euro-Denominated Senior Notes, 1.500% Due 2025 and Euro-Denominated Senior Notes, 1.600% Due 2028 | Senior Notes
Derivative [Line Items]
Gain (loss) on net investment hedge, net of tax			(37)			$ (30)
Net investment hedge gains (losses) included in accumulated other comprehensive income	$ (117)		(154)	$ (117)
Amount of ineffectiveness on net investment hedges			$ 0
Foreign exchange forward | China, Yuan Renminbi
Derivative [Line Items]
Notional amount of derivative	290	$ 345		$ 290	$ 345		$ 265	¥ 1.9	¥ 2.4	¥ 1.8
Derivative, Maturity Date				Jun. 20, 2018	Dec. 21, 2017		Jun. 21, 2017
Settlement of derivatives	$ 16	$ 12

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Derivatives And Hedging Activities Derivatives Not Designated as Hedges (Details) - Not Designated as Hedging Instrument ₩ in Millions, £ in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018 GBP (£)	Mar. 31, 2017 USD ($)	Mar. 01, 2018 USD ($)	Mar. 01, 2018 KRW (₩)
Derivative [Line Items]
Derivative, Loss on Derivative | $		$ 4
KUM | Foreign exchange forward | Korea (South), Won
Derivative [Line Items]
Notional amount of derivative			$ 520	₩ 559,000
Derivative, Gain (Loss) on Derivative, Net | £	£ 11

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Derivatives And Hedging Activities Fair Value of Derivative Instruments in the Balance Sheet(Details) - USD ($) $ in Millions		Mar. 31, 2018	Dec. 31, 2017
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net		$ 1	$ 12
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives		39	45
Gross amount of recognized liability derivatives		49	33
Not Designated as Hedging Instrument | Foreign currency derivatives | Other Current Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives	[1]	11
Net amount of derivative asset presented in the Balance Sheet	[1]	11
Cash Flow Hedging | Designated as Hedging Instrument | Commodity derivatives | Other Current Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives		9	27
Cash Flow Hedging | Designated as Hedging Instrument | Commodity derivatives | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Gross amount of recognized liability derivatives		0	0
Cash Flow Hedging | Designated as Hedging Instrument | Commodity derivatives | Other Long-Term Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives			8
Cash Flow Hedging | Designated as Hedging Instrument | Commodity derivatives | Other Long-Term Liabilities
Derivatives, Fair Value [Line Items]
Gross amount of recognized liability derivatives			0
Cash Flow Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Other Current Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives	[1]	22	3
Gross amount of recognized liability derivatives	[1]	8	0
Net amount of derivative asset presented in the Balance Sheet	[1]	14	3
Cash Flow Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives	[1]	3	7
Gross amount of recognized liability derivatives	[1]	15	17
Net amount of derivative liability presented in the Balance Sheet	[1]	(12)	(10)
Cash Flow Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Other Long-Term Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives	[1]	2
Gross amount of recognized liability derivatives	[1]	0
Net amount of derivative asset presented in the Balance Sheet	[1]	2
Cash Flow Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Other Long-Term Liabilities
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives	[1]	3	0
Gross amount of recognized liability derivatives	[1]	8	11
Net amount of derivative liability presented in the Balance Sheet	[1]	(5)	(11)
Net Investment Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Other Current Assets
Derivatives, Fair Value [Line Items]
Gross amount of recognized asset derivatives		0	0
Net Investment Hedging | Designated as Hedging Instrument | Foreign currency derivatives | Accrued Liabilities
Derivatives, Fair Value [Line Items]
Gross amount of recognized liability derivatives		$ 18	$ 5

[1] Derivative instruments within this category are subject to master netting arrangements and are presented on a net basis in the consolidated balance sheets in accordance with accounting guidance related to the offsetting of amounts related to certain contracts.

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Derivatives And Hedging Activities Effect of Derivative Instruments in Consolidated Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion	$ (14)
Loss Reclassified from Accumulated OCI into Income (Effective Portion)		$ (22)
Derivative Instruments, Gain Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing		0
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion		41
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	4
Designated as Hedging Instrument | Cash Flow Hedging | Commodity derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion	(17)
Derivative Instruments, Gain Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing	0	0
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion		9
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	9	1
Designated as Hedging Instrument | Cash Flow Hedging | Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Loss Reclassified from Accumulated OCI into Income (Effective Portion)	(5)	(23)
Derivative Instruments, Gain Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing	0	0
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion	16	42
Designated as Hedging Instrument | Net Investment Hedging | Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion	(13)	(10)
Loss Reclassified from Accumulated OCI into Income (Effective Portion)		0
Derivative Instruments, Gain Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing		0
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	0
Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain on Derivative	10
Derivative, Loss on Derivative		4
Not Designated as Hedging Instrument | Foreign currency derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain on Derivative	$ 10
Derivative, Loss on Derivative		$ 4

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Fair Value Of Financial Instruments Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, Fair Value, Net	$ 1		$ 12
Total debt, recorded amount	4,223		4,149
Asset Impairment Charges		$ 1
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	33		33
Cost of Sales | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges	0	1
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total debt, fair value	4,272		4,289
Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	0		0
Other Current Liabilities | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	8		7
Other Long-Term Liabilities | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	25		26
Contingent Consideration Liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements	0	$ (20)
Contingent Consideration Liability | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability	$ 33		$ 33
Minimum [Member] | Contingent Consideration Liability | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Periods in which milestones are expected to be achieved	2018
Maximum [Member] | Contingent Consideration Liability | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Periods in which milestones are expected to be achieved	2020

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Fair Value Of Financial Instruments Unobservable Inputs Reconciliation (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Fair Value, Measurements, Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at beginning of period	$ 33
Fair value at end of period	33
Contingent Consideration Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Additions	0
Payments	0	$ 20
Interest accretion	0
Contingent Consideration Liability | Fair Value, Measurements, Recurring
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair value at beginning of period	33
Fair value at end of period	$ 33

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Fair Value Of Financial Instruments Fair Value of Assets and Liabilities (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	$ 36	$ 38
Contingent consideration liability	33	33
Liabilities, Fair Value Disclosure, Recurring	68	59
Commodity derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	9	35
Foreign currency derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	27	3
Derivative Liability	35	26
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Contingent consideration liability	0	0
Liabilities, Fair Value Disclosure, Recurring	0	0
Fair Value, Inputs, Level 1 | Foreign currency derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	0	0
Derivative Liability	0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	36	38
Contingent consideration liability	0	0
Liabilities, Fair Value Disclosure, Recurring	35	26
Fair Value, Inputs, Level 2 | Commodity derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	9	35
Fair Value, Inputs, Level 2 | Foreign currency derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	27	3
Derivative Liability	35	26
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Recurring	0	0
Contingent consideration liability	33	33
Liabilities, Fair Value Disclosure, Recurring	33	33
Fair Value, Inputs, Level 3 | Foreign currency derivatives
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset	0	0
Derivative Liability	$ 0	$ 0

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Other Income, Net Table (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Interest income	$ 5	$ 1
Components of net periodic benefit cost other than service cost (Note 9)	(6)	(4)
Reserve for Unsecured Creditors Litigation	0	(27)
Other, net	20	7
Other (expense) income, net	30	(23)
Business Combination, Acquisition Related Costs	$ 11	0
Unsecured Creditors Litigation | Litigation, Damages Benchmark, Fourth LLP Agreement
Reserve for Unsecured Creditors Litigation		$ (27)

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Other Income, Net Narrative (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Jul. 31, 2017	Mar. 31, 2018	Jun. 30, 2017	Mar. 31, 2017
Debt Instrument [Line Items]
Business Combination, Acquisition Related Costs		$ (11)		$ 0
Reserve for Unsecured Creditors Litigation		0		27
Litigation, Damages Benchmark, Fourth LLP Agreement | Unsecured Creditors Litigation
Debt Instrument [Line Items]
Reserve for Unsecured Creditors Litigation				$ 27
Litigation Settlement, Amount Awarded to Other Party			$ 310
Payments for Legal Settlements	$ 310
Powertrain Systems | Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Other income (expense), net
Debt Instrument [Line Items]
Transition Services Agreement Fees		$ 3

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Acquisitions And Divestitures Acquisition of KUM (Details) $ in Millions	Feb. 28, 2018 USD ($)
KUM
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 500

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Acquisitions And Divestitures Acquisition of nuTonomy (Details) - USD ($)	Nov. 21, 2017	Mar. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 1,980,000,000	$ 1,944,000,000
nuTonomy
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 454,000,000
Payments to Acquire Businesses, Gross	$ 284,000,000
Business Acquisition, Percentage of Equity Interests Acquired	100.00%
Business Combination, Consideration Transferred, Liabilities Incurred	$ 109,000,000
Deferred Compensation, Payable after one year	7,000,000
Deferred compensation, payable after two years	51,000,000
Deferred Compensation, Payable after 3 years	$ 51,000,000
Business Combindation, Deferred Compensation period	3 years
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 54,000,000
Contingent Consideration Period	3 years
Contingent Consideration Arrangements, Range of Outcomes, Value, Low	$ 0
Contingent consideration liability	24,000,000
Business Combination, Consideration Transferred	308,000,000
Intangible assets	102,000,000
Other assets purchased and liabilities assumed, net	(40,000,000)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	62,000,000
Goodwill	246,000,000
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 308,000,000

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Acquisitions And Divestitures Acquisition of Movimento Group (Details) - USD ($)	Jan. 03, 2017	Mar. 31, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill		$ 1,980,000,000	$ 1,944,000,000
Movimento
Business Acquisition [Line Items]
Business Acquisition, Percentage of Equity Interests Acquired	100.00%
Purchase price, cash consideration	$ 40,000,000
Contingent consideration liability	8,000,000
Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 10,000,000
Contingent Consideration Period	2 years
Contingent Consideration Arrangements, Range of Outcomes, Value, Low	$ 0
Business Combination, Consideration Transferred	48,000,000
Intangible assets	22,000,000
Other assets purchased and liabilities assumed, net	(2,000,000)
Identifiable net assets acquired	20,000,000
Goodwill	28,000,000
Total purchase price allocation	$ 48,000,000
Customer-Related Intangible Assets | Movimento
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Definite-lived intangible assets	$ 4,000,000
Trade Names | Movimento
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	25 years
Trade Names | Movimento
Business Acquisition [Line Items]
Definite-lived intangible assets	$ 8,000,000
In Process Research and Development | Movimento
Business Acquisition [Line Items]
Indefinite-lived intangible assets	$ 10,000,000

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Acquisitions And Divestitures Technology Investments (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Business Acquisition [Line Items]
Payments to Acquire Interest in Joint Venture	$ 0	$ 15
Other Long-term Investments	56		$ 56
Quanergy | Advanced Safety and User Experience
Business Acquisition [Line Items]
Other Long-term Investments	6
Innoviz Technologies | Advanced Safety and User Experience
Business Acquisition [Line Items]
Other Long-term Investments	15
Leddartech | Advanced Safety and User Experience
Business Acquisition [Line Items]
Other Long-term Investments	10
Otonomo | Advanced Safety and User Experience
Business Acquisition [Line Items]
Payments to Acquire Interest in Joint Venture		$ 15
Other Long-term Investments	15
Valens Semiconductor | Signal and Power Solutions
Business Acquisition [Line Items]
Other Long-term Investments	$ 10

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Share-Based Compensation Long Term Incentive Plan (Details) - USD ($) $ / shares in Units, $ in Millions						1 Months Ended					3 Months Ended
	Apr. 26, 2018	Apr. 25, 2018	Apr. 27, 2017	Apr. 26, 2017	Apr. 28, 2016	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Apr. 23, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU Conversion Ratio												$ 1.17
PLC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum Shares Available for Grant under PLC LTIP														25,665,448
PLC Long Term Incentive Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-Based Awards Payout % Range											0.00%
PLC Long Term Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance-Based Awards Payout % Range											200.00%
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted											690,000
Grant Date Fair Value						$ 61	$ 63	$ 48	$ 76	$ 53
Time-Based Awards % Granted For Officers											25.00%
Time-Based Awards % Granted For Executives											50.00%
Performance-Based Awards % Granted For Officers											75.00%
Performance-Based Awards % Granted For Executives											50.00%
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Board of Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted			26,782		27,238
Grant Date Fair Value			$ 2		$ 2
RSU's Issued in Period, Gross				26,580
Fair Value of RSUs Vested in Period				$ 2
RSU's, Used to Pay Witholding Taxes				(3,472)
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | 2014 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted										780,000
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | 2015 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted									900,000
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | 2016 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted								710,000
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | 2017 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted							800,000
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | 2018 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted						630,000
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | Time-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross						285,344	248,008
Fair Value of RSUs Vested in Period						$ 26	$ 19
RSU's, Used to Pay Witholding Taxes						102,045	88,807
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | Performance-Based | 2014 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross													797,210
Fair Value of RSUs Vested in Period													$ 60
RSU's, Used to Pay Witholding Taxes													324,555
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Executives | Performance-Based | 2015 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Issued in Period, Gross											640,239
Fair Value of RSUs Vested in Period											$ 59
RSU's, Used to Pay Witholding Taxes											240,483
Subsequent Event | PLC Long Term Incentive Plan | Restricted Stock Units (RSUs) | Board of Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU's Granted	22,676
Grant Date Fair Value	$ 2
RSU's Issued in Period, Gross		24,642
Fair Value of RSUs Vested in Period		$ 2
RSU's, Used to Pay Witholding Taxes		(2,649)

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Share-Based Compensation Weighting for Components of Performance Based RSU Awards (Details) - PLC Long Term Incentive Plan	3 Months Ended
	Mar. 31, 2018
2016 - 2017 Grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets	50.00%	[1]
Cumulative earnings per share	30.00%
Relative total shareholder return	20.00%	[2]
2016 - 2018 Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average return on net assets	50.00%	[1]
Cumulative net income	25.00%
Relative total shareholder return	25.00%	[2]

[1] Average return on net assets is measured by tax-affected operating income divided by average net working capital plus average net property, plant and equipment for each calendar year during the respective performance period.

[2] Relative total shareholder return is measured by comparing the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the end of the performance period to the average closing price per share of the Company’s ordinary shares for all available trading days in the fourth quarter of the year preceding the grant, including dividends, and assessed against a comparable measure of competitor and peer group companies.

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Share-Based Compensation Summary of Activity for LTIP RSU's (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments Related to Tax Withholding for Share-based Compensation	$ 32	$ 26
PLC Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Nonvested, Weighted Average Grant Date Fair Value per share	$ 78.00		$ 68.66
LTIP Grants in Period, Weighted Average Grant Date Fair Value per share	96.35
LTIP Vested in Period, Weighted Average Grant Date Fair Value per share	64.18
LTIP RSUs, Forfeitures, Weighted Average Grant Date Fair Value per share	$ 66.70
Share-based Compensation Expense	$ 13	13
Share-based Compensation Expense, net of tax	12	11
Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 120
Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years
Payments Related to Tax Withholding for Share-based Compensation	$ 32	$ 26
PLC Long Term Incentive Plan | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
LTIP Shares, Nonvested, Number	2,173		1,807
RSU's Granted	690
LTIP RSUs, Vested in Period	(279)
LTIP RSUs, Forfeited in Period	(45)

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Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net sales	$ 3,630	$ 3,143
Cost of sales	2,947	2,544
Selling, general and administrative	259	225
Amortization	30	29
Restructuring	20	52
Total operating expenses	3,256	2,850
Operating income (loss)	374	293
Interest expense	(34)	(33)
Other (expense) income, net	30	(23)
Income from continuing operations before income taxes and equity income	370	237
Income tax expense	(59)	(19)
Income from continuing operations before equity income	311	218
Equity income, net of tax	5	11
Equity in net income (loss) of subsidiaries	0	0
Income from continuing operations	316	229
Income from discontinued operations, net of tax	0	123
Net income	316	352
Net income attributable to noncontrolling interest	9	17
Net income attributable to Aptiv	307	335
Reportable Legal Entities | Parent
Net sales	0	0
Cost of sales	0	0
Selling, general and administrative	(4)	6
Amortization	0	0
Restructuring	0	0
Total operating expenses	(4)	6
Operating income (loss)	4	(6)
Interest expense	(61)	(59)
Other (expense) income, net	0	0
Income from continuing operations before income taxes and equity income	(57)	(65)
Income tax expense	0	0
Income from continuing operations before equity income	(57)	(65)
Equity income, net of tax	0	0
Equity in net income (loss) of subsidiaries	364	400
Income from continuing operations	307	335
Income from discontinued operations, net of tax	0	0
Net income	307	335
Net income attributable to noncontrolling interest	0	0
Net income attributable to Aptiv	307	335
Reportable Legal Entities | Subsidiary Guarantors
Net sales	0	0
Cost of sales	0	0
Selling, general and administrative	0	0
Amortization	0	0
Restructuring	0	0
Total operating expenses	0	0
Operating income (loss)	0	0
Interest expense	(7)	(3)
Other (expense) income, net	0	10
Income from continuing operations before income taxes and equity income	(7)	7
Income tax expense	0	0
Income from continuing operations before equity income	(7)	7
Equity income, net of tax	0	0
Equity in net income (loss) of subsidiaries	356	377
Income from continuing operations	349	384
Income from discontinued operations, net of tax	0	0
Net income	349	384
Net income attributable to noncontrolling interest	0	0
Net income attributable to Aptiv	349	384
Reportable Legal Entities | Subsidiary Issuer/Guarantor
Net sales	0	0
Cost of sales	0	0
Selling, general and administrative	0	0
Amortization	0	0
Restructuring	0	0
Total operating expenses	0	0
Operating income (loss)	0	0
Interest expense	(43)	(43)
Other (expense) income, net	0	1
Income from continuing operations before income taxes and equity income	(43)	(42)
Income tax expense	10	15
Income from continuing operations before equity income	(33)	(27)
Equity income, net of tax	0	0
Equity in net income (loss) of subsidiaries	(8)	(30)
Income from continuing operations	(41)	(57)
Income from discontinued operations, net of tax	0	0
Net income	(41)	(57)
Net income attributable to noncontrolling interest	0	0
Net income attributable to Aptiv	(41)	(57)
Reportable Legal Entities | Non-Guarantor Subsidiaries
Net sales	3,630	3,143
Cost of sales	2,947	2,544
Selling, general and administrative	263	219
Amortization	30	29
Restructuring	20	52
Total operating expenses	3,260	2,844
Operating income (loss)	370	299
Interest expense	(1)	(1)
Other (expense) income, net	108	39
Income from continuing operations before income taxes and equity income	477	337
Income tax expense	(69)	(34)
Income from continuing operations before equity income	408	303
Equity income, net of tax	5	11
Equity in net income (loss) of subsidiaries	0	0
Income from continuing operations	413	314
Income from discontinued operations, net of tax	0	123
Net income	413	437
Net income attributable to noncontrolling interest	9	17
Net income attributable to Aptiv	404	420
Eliminations
Net sales	0	0
Cost of sales	0	0
Selling, general and administrative	0	0
Amortization	0	0
Restructuring	0	0
Total operating expenses	0	0
Operating income (loss)	0	0
Interest expense	78	73
Other (expense) income, net	(78)	(73)
Income from continuing operations before income taxes and equity income	0	0
Income tax expense	0	0
Income from continuing operations before equity income	0	0
Equity income, net of tax	0	0
Equity in net income (loss) of subsidiaries	(712)	(747)
Income from continuing operations	(712)	(747)
Income from discontinued operations, net of tax	0	0
Net income	(712)	(747)
Net income attributable to noncontrolling interest	0	0
Net income attributable to Aptiv	$ (712)	$ (747)

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Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements Statement of Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 316	$ 352
Currency translation adjustments	61	86
Net change in unrecognized gain (loss) on derivative instruments, net of tax	(23)	39
Employee benefit plans adjustment, net of tax	1	4
Other comprehensive income (loss)	39	129
Equity in other comprehensive income (loss) of subsidiaries	0	0
Comprehensive income	355	481
Comprehensive income attributable to noncontrolling interests	13	18
Comprehensive income attributable to Aptiv	342	463
Reportable Legal Entities | Parent
Net income	307	335
Currency translation adjustments	(37)	(30)
Net change in unrecognized gain (loss) on derivative instruments, net of tax	0	0
Employee benefit plans adjustment, net of tax	0	0
Other comprehensive income (loss)	(37)	(30)
Equity in other comprehensive income (loss) of subsidiaries	72	158
Comprehensive income	342	463
Comprehensive income attributable to noncontrolling interests	0	0
Comprehensive income attributable to Aptiv	342	463
Reportable Legal Entities | Subsidiary Guarantors
Net income	349	384
Currency translation adjustments	0	0
Net change in unrecognized gain (loss) on derivative instruments, net of tax	0	0
Employee benefit plans adjustment, net of tax	0	0
Other comprehensive income (loss)	0	0
Equity in other comprehensive income (loss) of subsidiaries	(66)	29
Comprehensive income	283	413
Comprehensive income attributable to noncontrolling interests	0	0
Comprehensive income attributable to Aptiv	283	413
Reportable Legal Entities | Subsidiary Issuer/Guarantor
Net income	(41)	(57)
Currency translation adjustments	0	0
Net change in unrecognized gain (loss) on derivative instruments, net of tax	0	0
Employee benefit plans adjustment, net of tax	0	0
Other comprehensive income (loss)	0	0
Equity in other comprehensive income (loss) of subsidiaries	21	48
Comprehensive income	(20)	(9)
Comprehensive income attributable to noncontrolling interests	0	0
Comprehensive income attributable to Aptiv	(20)	(9)
Reportable Legal Entities | Non-Guarantor Subsidiaries
Net income	413	437
Currency translation adjustments	98	116
Net change in unrecognized gain (loss) on derivative instruments, net of tax	(23)	39
Employee benefit plans adjustment, net of tax	1	4
Other comprehensive income (loss)	76	159
Equity in other comprehensive income (loss) of subsidiaries	0	0
Comprehensive income	489	596
Comprehensive income attributable to noncontrolling interests	13	18
Comprehensive income attributable to Aptiv	476	578
Eliminations
Net income	(712)	(747)
Currency translation adjustments	0	0
Net change in unrecognized gain (loss) on derivative instruments, net of tax	0	0
Employee benefit plans adjustment, net of tax	0	0
Other comprehensive income (loss)	0	0
Equity in other comprehensive income (loss) of subsidiaries	(27)	(235)
Comprehensive income	(739)	(982)
Comprehensive income attributable to noncontrolling interests	0	0
Comprehensive income attributable to Aptiv	$ (739)	$ (982)

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Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements Balance Sheet (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Cash and cash equivalents	$ 1,345	$ 1,596
Restricted cash	1	1
Accounts receivable, net	2,646	2,440
Intercompany receivables, current	0	0
Inventories	1,202	1,083
Other current assets	732	521
Total current assets	5,926	5,641
Intercompany receivables, long-term	0	0
Property, net	2,890	2,804
Investments in affiliates	101	91
Investments in subsidiaries	0	0
Intangible assets, net	3,184	3,163
Other long-term assets	459	470
Total long-term assets	6,634	6,528
Total assets	12,560	12,169
Short-term debt	60	17
Accounts payable	2,282	2,227
Intercompany payables, current	0	0
Accrued liabilities	1,366	1,296
Total current liabilities	3,708	3,540
Long-term debt	4,163	4,132
Intercompany payables, long-term	0	0
Pension benefit obligations	460	454
Other long-term liabilities	531	526
Total long-term liabilities	5,154	5,112
Total liabilities	8,862	8,652
Total Aptiv shareholders' equity	3,467	3,299
Noncontrolling interest	231	218
Total shareholders' equity	3,698	3,517
Total liabilities and shareholders' equity	12,560	12,169
Reportable Legal Entities | Parent
Cash and cash equivalents	2	1
Restricted cash	0	0
Accounts receivable, net	0	0
Intercompany receivables, current	52	50
Inventories	0	0
Other current assets	0	0
Total current assets	54	51
Intercompany receivables, long-term	0	0
Property, net	0	0
Investments in affiliates	0	0
Investments in subsidiaries	12,417	11,987
Intangible assets, net	0	0
Other long-term assets	65	60
Total long-term assets	12,482	12,047
Total assets	12,536	12,098
Short-term debt	0	0
Accounts payable	1	2
Intercompany payables, current	5,986	5,689
Accrued liabilities	27	91
Total current liabilities	6,014	5,782
Long-term debt	3,055	3,017
Intercompany payables, long-term	0	0
Pension benefit obligations	0	0
Other long-term liabilities	0	0
Total long-term liabilities	3,055	3,017
Total liabilities	9,069	8,799
Total Aptiv shareholders' equity	3,467	3,299
Noncontrolling interest	0	0
Total shareholders' equity	3,467	3,299
Total liabilities and shareholders' equity	12,536	12,098
Reportable Legal Entities | Subsidiary Guarantors
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	0	0
Intercompany receivables, current	15	16
Inventories	0	0
Other current assets	0	0
Total current assets	15	16
Intercompany receivables, long-term	0	0
Property, net	0	0
Investments in affiliates	0	0
Investments in subsidiaries	14,636	12,599
Intangible assets, net	0	0
Other long-term assets	0	0
Total long-term assets	14,636	12,599
Total assets	14,651	12,615
Short-term debt	0	0
Accounts payable	0	0
Intercompany payables, current	3,375	1,736
Accrued liabilities	0	0
Total current liabilities	3,375	1,736
Long-term debt	0	0
Intercompany payables, long-term	0	0
Pension benefit obligations	0	0
Other long-term liabilities	0	0
Total long-term liabilities	0	0
Total liabilities	3,375	1,736
Total Aptiv shareholders' equity	11,276	10,879
Noncontrolling interest	0	0
Total shareholders' equity	11,276	10,879
Total liabilities and shareholders' equity	14,651	12,615
Reportable Legal Entities | Subsidiary Issuer/Guarantor
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	0	0
Intercompany receivables, current	1,707	82
Inventories	0	0
Other current assets	0	0
Total current assets	1,707	82
Intercompany receivables, long-term	768	768
Property, net	0	0
Investments in affiliates	0	0
Investments in subsidiaries	2,156	3,416
Intangible assets, net	0	0
Other long-term assets	7	8
Total long-term assets	2,931	4,192
Total assets	4,638	4,274
Short-term debt	55	13
Accounts payable	0	0
Intercompany payables, current	1,073	1,032
Accrued liabilities	3	10
Total current liabilities	1,131	1,055
Long-term debt	1,074	1,078
Intercompany payables, long-term	1,315	1,297
Pension benefit obligations	0	0
Other long-term liabilities	0	0
Total long-term liabilities	2,389	2,375
Total liabilities	3,520	3,430
Total Aptiv shareholders' equity	1,118	844
Noncontrolling interest	0	0
Total shareholders' equity	1,118	844
Total liabilities and shareholders' equity	4,638	4,274
Reportable Legal Entities | Non-Guarantor Subsidiaries
Cash and cash equivalents	1,343	1,595
Restricted cash	1	1
Accounts receivable, net	2,646	2,440
Intercompany receivables, current	10,211	9,867
Inventories	1,202	1,083
Other current assets	732	521
Total current assets	16,135	15,507
Intercompany receivables, long-term	1,399	1,366
Property, net	2,890	2,804
Investments in affiliates	101	91
Investments in subsidiaries	0	0
Intangible assets, net	3,184	3,163
Other long-term assets	387	402
Total long-term assets	7,961	7,826
Total assets	24,096	23,333
Short-term debt	5	4
Accounts payable	2,281	2,225
Intercompany payables, current	1,551	1,558
Accrued liabilities	1,336	1,195
Total current liabilities	5,173	4,982
Long-term debt	34	37
Intercompany payables, long-term	852	837
Pension benefit obligations	460	454
Other long-term liabilities	531	526
Total long-term liabilities	1,877	1,854
Total liabilities	7,050	6,836
Total Aptiv shareholders' equity	16,815	16,279
Noncontrolling interest	231	218
Total shareholders' equity	17,046	16,497
Total liabilities and shareholders' equity	24,096	23,333
Eliminations
Cash and cash equivalents	0	0
Restricted cash	0	0
Accounts receivable, net	0	0
Intercompany receivables, current	(11,985)	(10,015)
Inventories	0	0
Other current assets	0	0
Total current assets	(11,985)	(10,015)
Intercompany receivables, long-term	(2,167)	(2,134)
Property, net	0	0
Investments in affiliates	0	0
Investments in subsidiaries	(29,209)	(28,002)
Intangible assets, net	0	0
Other long-term assets	0	0
Total long-term assets	(31,376)	(30,136)
Total assets	(43,361)	(40,151)
Short-term debt	0	0
Accounts payable	0	0
Intercompany payables, current	(11,985)	(10,015)
Accrued liabilities	0	0
Total current liabilities	(11,985)	(10,015)
Long-term debt	0	0
Intercompany payables, long-term	(2,167)	(2,134)
Pension benefit obligations	0	0
Other long-term liabilities	0	0
Total long-term liabilities	(2,167)	(2,134)
Total liabilities	(14,152)	(12,149)
Total Aptiv shareholders' equity	(29,209)	(28,002)
Noncontrolling interest	0	0
Total shareholders' equity	(29,209)	(28,002)
Total liabilities and shareholders' equity	$ (43,361)	$ (40,151)

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Supplemental Guarantor And Non-Guarantor Condensed Consolidating Financial Statements Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Net cash provided by (used in) operating activities from continuing operations	$ 186	$ 258
Net cash used in operating activities from discontinued operations	(31)	32
Net cash provided by operating activities	155	290
Capital expenditures	(243)	(164)
Proceeds from sale of property / investments	3	0
Cost of business acquisitions, net of cash acquired	0	(40)
Other Payments to Acquire Businesses	(5)	0
Cost of technology investments	0	(15)
Loans to affiliates	0	0
Net cash used in investing activities from continuing operations	(245)	(219)
Net cash used in investing activities from discontinued operations	0	(51)
Net cash used in investing activities	(245)	(270)
Net proceeds (repayments) under other short-term debt agreements	35	(4)
Contingent consideration and deferred acquisition purchase price payments	0	(20)
Dividend payments of consolidated affiliates to minority shareholders	0	(10)
Proceeds from borrowings from affiliates	0	0
Repurchase of ordinary shares	(149)	(194)
Distribution of cash dividends	(59)	(78)
Taxes withheld and paid on employees' restricted share awards	(32)	(26)
Net cash used in financing activities	(205)	(332)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	44	21
Increase (decrease) in cash, cash equivalents and restricted cash	(251)	(291)
Cash, cash equivalents and restricted cash	1,346	548	$ 1,597	$ 839
Cash, cash equivalents and restricted cash of discontinued operations	0	61
Cash, cash equivalents and restricted cash of continuing operations	1,346	487
Reportable Legal Entities | Parent
Net cash provided by (used in) operating activities from continuing operations	(36)	(26)
Net cash used in operating activities from discontinued operations	0	0
Net cash provided by operating activities	(36)	(26)
Capital expenditures	0	0
Proceeds from sale of property / investments	0
Cost of business acquisitions, net of cash acquired		0
Other Payments to Acquire Businesses	(5)
Cost of technology investments		0
Loans to affiliates	0	0
Net cash used in investing activities from continuing operations	(5)	0
Net cash used in investing activities from discontinued operations	0	0
Net cash used in investing activities	(5)	0
Net proceeds (repayments) under other short-term debt agreements	0	0
Contingent consideration and deferred acquisition purchase price payments		0
Dividend payments of consolidated affiliates to minority shareholders		0
Proceeds from borrowings from affiliates	250	297
Repurchase of ordinary shares	(149)	(194)
Distribution of cash dividends	(59)	(78)
Taxes withheld and paid on employees' restricted share awards	0	0
Net cash used in financing activities	42	25
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	1	(1)
Cash, cash equivalents and restricted cash	2	1	1	2
Cash, cash equivalents and restricted cash of discontinued operations	0	0
Cash, cash equivalents and restricted cash of continuing operations	2	1
Reportable Legal Entities | Subsidiary Guarantors
Net cash provided by (used in) operating activities from continuing operations	0	0
Net cash used in operating activities from discontinued operations	0	0
Net cash provided by operating activities	0	0
Capital expenditures	0	0
Proceeds from sale of property / investments	0
Cost of business acquisitions, net of cash acquired		0
Other Payments to Acquire Businesses	0
Cost of technology investments		0
Loans to affiliates	0	0
Net cash used in investing activities from continuing operations	0	0
Net cash used in investing activities from discontinued operations	0	0
Net cash used in investing activities	0	0
Net proceeds (repayments) under other short-term debt agreements	0	0
Contingent consideration and deferred acquisition purchase price payments		0
Dividend payments of consolidated affiliates to minority shareholders		0
Proceeds from borrowings from affiliates	0	0
Repurchase of ordinary shares	0	0
Distribution of cash dividends	0	0
Taxes withheld and paid on employees' restricted share awards	0	0
Net cash used in financing activities	0	0
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash	0	0	0	0
Cash, cash equivalents and restricted cash of discontinued operations	0	0
Cash, cash equivalents and restricted cash of continuing operations	0	0
Reportable Legal Entities | Subsidiary Issuer/Guarantor
Net cash provided by (used in) operating activities from continuing operations	0	0
Net cash used in operating activities from discontinued operations	0	0
Net cash provided by operating activities	0	0
Capital expenditures	0	0
Proceeds from sale of property / investments	0
Cost of business acquisitions, net of cash acquired		0
Other Payments to Acquire Businesses	0
Cost of technology investments		0
Loans to affiliates	0	0
Net cash used in investing activities from continuing operations	0	0
Net cash used in investing activities from discontinued operations	0	0
Net cash used in investing activities	0	0
Net proceeds (repayments) under other short-term debt agreements	0	0
Contingent consideration and deferred acquisition purchase price payments		0
Dividend payments of consolidated affiliates to minority shareholders		0
Proceeds from borrowings from affiliates	0	0
Repurchase of ordinary shares	0	0
Distribution of cash dividends	0	0
Taxes withheld and paid on employees' restricted share awards	0	0
Net cash used in financing activities	0	0
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash	0	0	0	0
Cash, cash equivalents and restricted cash of discontinued operations	0	0
Cash, cash equivalents and restricted cash of continuing operations	0	0
Reportable Legal Entities | Non-Guarantor Subsidiaries
Net cash provided by (used in) operating activities from continuing operations	222	284
Net cash used in operating activities from discontinued operations	(31)	32
Net cash provided by operating activities	191	316
Capital expenditures	(243)	(164)
Proceeds from sale of property / investments	3
Cost of business acquisitions, net of cash acquired		(40)
Other Payments to Acquire Businesses	0
Cost of technology investments		(15)
Loans to affiliates	(250)	(297)
Net cash used in investing activities from continuing operations	(490)	(516)
Net cash used in investing activities from discontinued operations	0	(51)
Net cash used in investing activities	(490)	(567)
Net proceeds (repayments) under other short-term debt agreements	35	(4)
Contingent consideration and deferred acquisition purchase price payments		(20)
Dividend payments of consolidated affiliates to minority shareholders		(10)
Proceeds from borrowings from affiliates	0	0
Repurchase of ordinary shares	0	0
Distribution of cash dividends	0	0
Taxes withheld and paid on employees' restricted share awards	(32)	(26)
Net cash used in financing activities	3	(60)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	44	21
Increase (decrease) in cash, cash equivalents and restricted cash	(252)	(290)
Cash, cash equivalents and restricted cash	1,344	547	1,596	837
Cash, cash equivalents and restricted cash of discontinued operations	0	61
Cash, cash equivalents and restricted cash of continuing operations	1,344	486
Eliminations
Net cash provided by (used in) operating activities from continuing operations	0	0
Net cash used in operating activities from discontinued operations	0	0
Net cash provided by operating activities	0	0
Capital expenditures	0	0
Proceeds from sale of property / investments	0
Cost of business acquisitions, net of cash acquired		0
Other Payments to Acquire Businesses	0
Cost of technology investments		0
Loans to affiliates	250	297
Net cash used in investing activities from continuing operations	250	297
Net cash used in investing activities from discontinued operations	0	0
Net cash used in investing activities	250	297
Net proceeds (repayments) under other short-term debt agreements	0	0
Contingent consideration and deferred acquisition purchase price payments		0
Dividend payments of consolidated affiliates to minority shareholders		0
Proceeds from borrowings from affiliates	(250)	(297)
Repurchase of ordinary shares	0	0
Distribution of cash dividends	0	0
Taxes withheld and paid on employees' restricted share awards	0	0
Net cash used in financing activities	(250)	(297)
Effect of exchange rate fluctuations on cash, cash equivalents and restricted cash	0	0
Increase (decrease) in cash, cash equivalents and restricted cash	0	0
Cash, cash equivalents and restricted cash	0	0	$ 0	$ 0
Cash, cash equivalents and restricted cash of discontinued operations	0	0
Cash, cash equivalents and restricted cash of continuing operations	$ 0	$ 0

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Segment Reporting Reconciliation of Sales and Operating Data (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Net sales		$ 3,630	$ 3,143
Depreciation and amortization		155	126
Adjusted operating income		427	352
Operating income		374	293
Equity income, net of tax		5	11
Net income attributable to noncontrolling interest		9	9
Operating Segments | Signal and Power Solutions
Segment Reporting Information [Line Items]
Net sales		2,617	2,342
Depreciation and amortization		119	102
Adjusted operating income		351	309
Operating income		322	291
Equity income, net of tax		5	11
Net income attributable to noncontrolling interest		9	9
Operating Segments | Advanced Safety and User Experience
Segment Reporting Information [Line Items]
Net sales		1,032	821
Depreciation and amortization		36	24
Adjusted operating income		76	43
Operating income		52	2
Equity income, net of tax		0	0
Net income attributable to noncontrolling interest		0	0
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	[1]	(19)	(20)
Depreciation and amortization	[1]	0	0
Adjusted operating income	[1]	0	0
Operating income	[1]	0	0
Equity income, net of tax	[1]	0	0
Net income attributable to noncontrolling interest	[1]	$ 0	$ 0

[1] Eliminations and Other includes the elimination of inter-segment transactions.

XML

Segment Reporting Reconciliation of Adjusted OI to Net Income (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Adjusted operating income		$ 427	$ 352
Restructuring		(20)	(52)
Other acquisition and portfolio project costs		(19)	(6)
Asset impairments			(1)
Deferred compensation related to nutonomy acquisition		(14)
Operating income		374	293
Interest expense		(34)	(33)
Other (expense) income, net		30	(23)
Income from continuing operations before income taxes and equity income		370	237
Income tax expense		(59)	(19)
Equity income, net of tax		5	11
Income from continuing operations		316	229
Income from discontinued operations, net of tax		0	123
Net income		316	352
Net income attributable to noncontrolling interest		9	17
Net income attributable to Aptiv		307	335
Signal and Power Solutions
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Restructuring		(18)	(13)
Advanced Safety and User Experience
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Restructuring		(2)	(39)
Operating Segments | Signal and Power Solutions
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Adjusted operating income		351	309
Restructuring		(18)	(13)
Other acquisition and portfolio project costs		(11)	(5)
Asset impairments			0
Deferred compensation related to nutonomy acquisition		0
Operating income		322	291
Equity income, net of tax		5	11
Operating Segments | Advanced Safety and User Experience
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Adjusted operating income		76	43
Restructuring		(2)	(39)
Other acquisition and portfolio project costs		(8)	(1)
Asset impairments			(1)
Deferred compensation related to nutonomy acquisition		(14)
Operating income		52	2
Equity income, net of tax		0	0
Intersegment Eliminations
Reconciliation of Segment Adjusted OI to Consolidated Net Income
Adjusted operating income	[1]	0	0
Restructuring		0	0
Other acquisition and portfolio project costs		0	0
Asset impairments			0
Deferred compensation related to nutonomy acquisition		0
Operating income	[1]	0	0
Equity income, net of tax	[1]	$ 0	$ 0

[1] Eliminations and Other includes the elimination of inter-segment transactions.

XML

Discontinued Operations Narrative (Details) - USD ($) $ in Millions				12 Months Ended
	Dec. 04, 2017	Nov. 22, 2017	Sep. 28, 2017	Dec. 31, 2017	Mar. 31, 2018	Sep. 07, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Distribution Date	Dec. 04, 2017
Record Date		Nov. 22, 2017
Dividend from Delphi Technologies Spin-Off				$ 1,148
Other cash transferred from Delphi Technologies				180
Accounts receivable to be remitted to Delphi Technologies				123	$ 289
Accounts payable to be remitted on behalf of Delphi Technologies				$ 132	$ 267
Delphi Technologies Debt [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Long-term Debt, Gross	$ 1,550
JPMorgan Chase Bank, N.A. | Spin-Off Credit Agreement | Spin-Off Tranche A Term Loan
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loans Payable						$ 750
Senior Notes | Spin-Off Senior Notes, 5.000% Due 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt Instrument, Face Amount			$ 800
Debt Instrument, Interest Rate, Stated Percentage			5.00%
Debt Instrument, Maturity Date			Oct. 01, 2025

XML

Discontinued Operations Reconciliation of Major Classes of Profit or Loss of Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	$ 0	$ 123
Income from discontinued operations attributable to Delphi	$ 0	115
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] | Powertrain Systems
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales		1,149
Cost of sales		901
Selling, general and administrative		63
DisposalGroupIncludingDiscontinuedOperationAmortization		4
DisposalGroupIncludingDiscontinuedOperationRestructuring		10
Disposal Group, Including Discontinued Operation, Other Expense		(6)
Income from discontinued operations before income taxes and equity income		165
Discontinued Operation, Tax Effect of Discontinued Operation		42
Income from discontinued operations, net of tax		123
Income from discontinued operations attributable to noncontrolling interests		8
Income from discontinued operations attributable to Delphi		115
Income from discontinued operations before income taxes attributable to Delphi		155
Discontinued Operation, Tax Effect Of Discontinued Operation, Attributable to Noncontrolling Interest		$ 2

XML

Revenue Disaggregation of Revenue (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Net sales		$ 3,630	$ 3,143
North America
Disaggregation of Revenue [Line Items]
Net sales		1,351	1,258
Europe, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales		1,269	1,031
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales		936	791
South America
Disaggregation of Revenue [Line Items]
Net sales		74	63
Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Net sales	[1]	(19)	(20)
Intersegment Eliminations | North America
Disaggregation of Revenue [Line Items]
Net sales		(4)	(4)
Intersegment Eliminations | Europe, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales		(5)	(7)
Intersegment Eliminations | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales		(10)	(9)
Intersegment Eliminations | South America
Disaggregation of Revenue [Line Items]
Net sales		0	0
Advanced Safety and User Experience | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales		1,032	821
Advanced Safety and User Experience | Operating Segments | North America
Disaggregation of Revenue [Line Items]
Net sales		335	307
Advanced Safety and User Experience | Operating Segments | Europe, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales		437	323
Advanced Safety and User Experience | Operating Segments | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales		259	189
Advanced Safety and User Experience | Operating Segments | South America
Disaggregation of Revenue [Line Items]
Net sales		1	2
Signal and Power Solutions | Operating Segments
Disaggregation of Revenue [Line Items]
Net sales		2,617	2,342
Signal and Power Solutions | Operating Segments | North America
Disaggregation of Revenue [Line Items]
Net sales		1,020	955
Signal and Power Solutions | Operating Segments | Europe, Middle East & Africa
Disaggregation of Revenue [Line Items]
Net sales		837	715
Signal and Power Solutions | Operating Segments | Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales		687	611
Signal and Power Solutions | Operating Segments | South America
Disaggregation of Revenue [Line Items]
Net sales		$ 73	$ 61

[1] Eliminations and Other includes the elimination of inter-segment transactions.

XML

Revenue Costs to Obtain a Contract (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Capitalized Contract Cost [Line Items]
Capitalized Contract Cost, Net	$ 37		$ 36
Capitalized Contract Cost, Amortization	1	$ 1
Other Current Assets
Capitalized Contract Cost [Line Items]
Capitalized Contract Cost, Net	5		5
Other Long-Term Assets
Capitalized Contract Cost [Line Items]
Capitalized Contract Cost, Net	$ 32		$ 31