Acquisitions and Dispositions (Notes)	3 Months Ended
Mar. 31, 2015
Acquisitions and Dispositions [Abstract]
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	Acquisitions and Dispositions Pending acquisition of Baker Hughes On November 16, 2014, we and Baker Hughes entered into a merger agreement under which, subject to the conditions set forth in the merger agreement, we will acquire all the outstanding shares of Baker Hughes in a stock and cash transaction. Baker Hughes is a leading supplier of oilfield services, products, technology and systems to the worldwide oil and natural gas industry. Under the terms of the merger agreement, at the effective time of the acquisition, each share of Baker Hughes common stock will be converted into the right to receive 1.12 shares of our common stock and $19.00 in cash. Because the exchange ratio was fixed at the time of the merger agreement and the market value of our common stock will continue to fluctuate, the total value of the consideration exchanged will not be determinable until the closing date. The number of shares to be issued will not fluctuate based upon changes in the price of shares of our common stock or shares of Baker Hughes common stock prior to the closing date, but the exact number of Halliburton shares to be issued with respect to Baker Hughes stock awards will not be determinable until the closing of the transaction. We have estimated the total consideration expected to be issued and paid to Baker Hughes stockholders in the acquisition to consist of approximately 490 million shares of our common stock and approximately $8.3 billion to be paid in cash. We intend to finance the cash portion of the acquisition through a combination of cash on hand and debt financing. We have obtained a commitment letter for an $8.6 billion senior unsecured bridge facility, which is greater than the expected cash consideration required upon closing of the Baker Hughes acquisition. We may issue debt securities, obtain bank loans or other debt financings, or use cash on hand in lieu of utilizing all or a portion of the bridge facility. The merger agreement has been unanimously approved by both companies' Board of Directors, our stockholders have approved the issuance of shares necessary to complete the acquisition of Baker Hughes, and Baker Hughes’ stockholders have adopted the merger agreement and thereby approved the acquisition. In April 2015, we announced we will market for sale some of our businesses to obtain competition authorities' approvals of the pending transaction. See Note 11 for further information on these anticipated divestitures. The closing of the transaction, which is subject to receipt of certain regulatory approvals and other conditions specified in the merger agreement, is expected to occur late in the second half of 2015.

Acquisitions and Dispositions

Pending acquisition of Baker Hughes

On November 16, 2014, we and Baker Hughes entered into a merger agreement under which, subject to the conditions set forth in the merger agreement, we will acquire all the outstanding shares of Baker Hughes in a stock and cash transaction. Baker Hughes is a leading supplier of oilfield services, products, technology and systems to the worldwide oil and natural gas industry. Under the terms of the merger agreement, at the effective time of the acquisition, each share of Baker Hughes common stock will be converted into the right to receive 1.12 shares of our common stock and $19.00 in cash.

Because the exchange ratio was fixed at the time of the merger agreement and the market value of our common stock will continue to fluctuate, the total value of the consideration exchanged will not be determinable until the closing date. The number of shares to be issued will not fluctuate based upon changes in the price of shares of our common stock or shares of Baker Hughes common stock prior to the closing date, but the exact number of Halliburton shares to be issued with respect to Baker Hughes stock awards will not be determinable until the closing of the transaction. We have estimated the total consideration expected to be issued and paid to Baker Hughes stockholders in the acquisition to consist of approximately 490 million shares of our common stock and approximately $8.3 billion to be paid in cash. We intend to finance the cash portion of the acquisition through a combination of cash on hand and debt financing. We have obtained a commitment letter for an $8.6 billion senior unsecured bridge facility, which is greater than the expected cash consideration required upon closing of the Baker Hughes acquisition. We may issue debt securities, obtain bank loans or other debt financings, or use cash on hand in lieu of utilizing all or a portion of the bridge facility.

The merger agreement has been unanimously approved by both companies' Board of Directors, our stockholders have approved the issuance of shares necessary to complete the acquisition of Baker Hughes, and Baker Hughes’ stockholders have adopted the merger agreement and thereby approved the acquisition. In April 2015, we announced we will market for sale some of our businesses to obtain competition authorities' approvals of the pending transaction. See Note 11 for further information on these anticipated divestitures. The closing of the transaction, which is subject to receipt of certain regulatory approvals and other conditions specified in the merger agreement, is expected to occur late in the second half of 2015.