They’ve been trying to make this deal for more than a decade.
They have to spend 10s of billions over a few years before they can sell their product for a discount.
I think this makes the entire concept of sanctions look foolish. So, it’s the Obama Admin that takes the hit.
I don’t believe the Russians agreed to an all-time static price. I’m sure it has provisions for inflation, change in the market, etc.
And in the end, any pipeline on their land is their pipeline.