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Mergers and Acquisitions
 9 Months Ended
Sep. 30, 2025
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]  
Mergers and Acquisitions
Note 2. Mergers and Acquisitions
During the third quarter of 2025, the Corporation completed $2.4 billion in acquisitions consisting primarily of proved and unproved acreage in the Permian basin. One of the acquisitions was partially funded by restricted cash as it qualified as a like-kind exchange. We accounted for these acquisitions as business combinations and allocated substantially all of their fair values to "Property, plant and equipment" on the Consolidated Balance Sheet. We did not recognize any goodwill associated with the acquisitions. Consideration paid was reflected in the Condensed Consolidated Statement of Cash Flows mainly in the line item “Additions to property, plant, and equipment”.

Pioneer Natural Resources Company
On May 3, 2024, the Corporation acquired Pioneer Natural Resources Company ("Pioneer"), an independent oil and gas exploration and production company. In connection with the acquisition, we issued 545 million shares of ExxonMobil common stock having a fair value of $63 billion on the acquisition date, and assumed debt with a fair value of $5 billion.
The transaction was accounted for as a business combination in accordance with ASC 805, which requires that assets acquired and liabilities assumed be recognized at their fair values as of the acquisition date. The following table summarizes the fair values of the assets acquired and liabilities assumed.
(billions of dollars)
Pioneer
Current assets (1)
3 
Other non-current assets1 
Property, plant & equipment (2)
84 
Total identifiable assets acquired88 
Current liabilities (1)
3 
Long-term debt (3)
5 
Deferred income tax liabilities (4)
16 
Other non-current liabilities2 
Total liabilities assumed26 
Net identifiable assets acquired62 
Goodwill (5)
1 
Net assets63 
(1) Current assets and current liabilities consist primarily of accounts receivable and payable, with their respective fair values approximating historical values given their short-term duration, expectation of insignificant bad debt expense, and our credit rating.
(2) Property, plant and equipment, of which a significant portion relates to crude oil and natural gas properties, was primarily valued using the income approach. Significant inputs and assumptions used in the income approach included estimates for commodity prices, future oil and gas production volumes, drilling and development costs, and risk-adjusted discount rates. Collectively, these inputs are level 3 inputs.
(3) Long-term debt was valued using market prices as of the acquisition date, which reflects the use of level 1 inputs.
(4) Deferred income taxes represent the tax effects of differences in the tax basis and acquisition date fair values of assets acquired and liabilities assumed.
(5) Goodwill was allocated to the Upstream segment.
Debt Assumed in the Merger
The following table presents long-term debt assumed at closing:

(millions of dollars)
Par ValueFair Value
as of May 2, 2024
0.250% Convertible Senior Notes due May 2025 (1)
450 1,327 
1.125% Senior Notes due January 2026
750 699 
5.100% Senior Notes due March 2026
1,100 1,096 
7.200% Senior Notes due January 2028
241 252 
4.125% Senior Notes due February 2028
138 130 
1.900% Senior Notes due August 2030
1,100 914 
2.150% Senior Notes due January 2031
1,000 832 
(1) In June 2024, the Corporation redeemed in full all of the Convertible Senior Notes assumed from Pioneer for an amount consistent with the acquisition date fair value.
Actual and Pro Forma Impact of Merger
The following table presents revenues and earnings included in the Consolidated Statement of Income for Pioneer since the acquisition date (May 3, 2024) through September 30, 2024:
(millions of dollars)
Three Months Ended
September 30, 2024		Nine Months Ended
September 30, 2024
Sales and other operating revenues6,291 10,663 
Net income (loss) attributable to ExxonMobil615 1,013 

The following table presents unaudited pro forma information for the Corporation as if the merger with Pioneer had occurred at the beginning of January 1, 2023:
Unaudited
(millions of dollars)
Three Months Ended
September 30, 2024		Nine Months Ended
September 30, 2024
Sales and other operating revenues87,792 266,349 
Net income (loss) attributable to ExxonMobil8,610 26,866 
The historical financial information was adjusted to give effect to the pro forma events that were directly attributable to the merger and factually supportable. The unaudited pro forma consolidated results are not necessarily indicative of what the consolidated results of operations actually would have been had the merger been completed on January 1, 2023. In addition, the unaudited pro forma consolidated results reflect pro forma adjustments primarily related to conforming Pioneer's accounting policies to ExxonMobil, additional depreciation expense related to the fair value adjustment of the acquired property, plant and equipment, our capital structure, Pioneer's transaction-related costs, and applicable income tax impacts of the pro forma adjustments.

Our transaction costs to effect the acquisition were immaterial.