Oil prices have gone hyperbolic this year. Brent oil, the global benchmark price, started the year at around $60 a barrel. It has surged to over $100 a barrel due to the war with Iran. Higher oil prices are an unexpected windfall for ExxonMobil (XOM +3.47%). Here's one number that tells you everything about the oil giant right now. Last December, ExxonMobil raised its 2030 plan. The oil giant boosted its earnings and cash flow growth estimates by $5 billion for 2030, with no changes to its outlook for commo ...