0000045012 2021-04-21 2021-04-21 0000045012 false 8-K 2021-04-21 HALLIBURTON COMPANY DE 3000 North Sam Houston Parkway East Houston TX 77032 001-03492 75-2677995 281 871-2699 false false false false Common Stock, par value $2.50 per share HAL NYSE false