WIth a "Hitler chokes on a chicken bone and dies" POD, the OP is possible. Here are the butterflies:
-Goering takes power and is more conciliatory. Navy and army will always say they are not ready for war. Goering won't give in to west over Czecks because its Hitler's last coup, it is a source of national pride. It would betray the Fueher's legacy.
-Poland becomes a Nazi satellite. The same is true of the Baltic states, Hungary, and Romania. The more the USSR builds up the more these states rely on Germany.
-After a couple years of "sane Nazis" France and Britain don't stop their military build ups, but probably open up for talks for an anti-soviet alliance.
-Japan ironically remains a power as French Indochina never draws Japan into war with the US. Japan joins this alliance to protect their interests against the USSR.
-USA builds up, but otherwise remains neutral as the western Europeans-Japanese power bloc is very powerful, as is USSR without Barbarossa, and picking a side makes either too strong.
We have a multi-polar cold war with shifting alliances...a 1984 like scenario but a lot more confusing and with a better standard of living. We are unlikely to see war to initiate. Britain or Germany might become the first nation with the bomb, but these will likely be retained as deterrents along with chemical and bio weapons.
I actually do not see WW2 happening in this time line. IOTL, it took maniacs under the right circumstances to go to war. Japan will remain the only maniacs and their war will be contained to China which they will eventually not have the resources to continue. In the modern day we would have a richer, more heavily armed world. The USSR will collapse (more likely internally reform), but with a larger Russian population they will probably retain the old republics. Germany will no longer be Nazi, but they will be the world's third largest economy, behind Japan and USA. Britain and France will likely maintain empires as without WW2 the West has the resources and the subtle cruelty to prevent third world liberation movements. Probably butterflies away militant Islam, which is interesting. Birth rates in the west decline but not as precipitously...WW2 was a mind-f**k for everyone. Culture is not the same today without WW2. Probably delays sexual revolution a little bit and things like the counter-culture.
The biggest winner in all of this is the USA. Ironically, the US avoids its overseas adventurism as France, Japan, USSR, and Britain will be doing the brunt of it. Sure, USA will help here or there, but no big losers like Vietnam. Plus, with a stronger economy and slightly less poverty, USA maintains a stronger industrial base today, may have a trade surplus (as the USA had in 1991) without the ascendance of China (which is butterflied away.)
Japan is a real wildcard. THey have Manchuria, Taiwan, and Korea...probably a population of 300,000,000. They will invent lean production first and without WW2, might be an ATL China in terms of export power. So, they might be the big winners...presuming they can culturally assimilate their captive populations which in some ways is not unthinkable considering the rest of Asia will be as poor as heck, there will be some pride in being part of the Japanese economic sphere.