TechBig Tech reportedly guaranteed up to $300 billion in AI debt in a year, mostly off the books
Exec Sum says Alphabet’s data center lease guarantees rose from $16.9 billion to $43.8 billion in six months, with less than 2% recorded as a balance-sheet liability.
TLDR
Exec Sum said on September 21, 2026, that Big Tech had guaranteed up to $300 billion in AI debt in a year while keeping most of it off the books. It said Alphabet’s data center lease guarantees reached $43.8 billion, with less than 2% recorded as a balance-sheet liability. A separate post says Meta guarantees up to $41 billion in residual value across two data center joint ventures in which it owns 20%: $28 billion in Louisiana and $13 billion for a 1-gigawatt El Paso venture with BlackRock. Citing Meta’s 10-Q filing, that post puts maximum loss exposure on the Louisiana venture at $46 billion.
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Big Tech reportedly guaranteed up to $300 billion in AI debt in a year, mostly off the books
Exec Sum says Alphabet’s data center lease guarantees rose from $16.9 billion to $43.8 billion in six months, with less than 2% recorded as a balance-sheet liability.